Google began in 1995 as a research project by Larry Page and Sergey Brin, both Ph.D. students at Stanford University.

In search of a dissertation theme, Page had been considering—among other things—exploring the mathematical properties of the World Wide Web, understanding its link structure as a huge graph. His supervisor, Terry Winograd, encouraged him to pick this idea (which Page later recalled as “the best advice I ever got” and Page focused on the problem of finding out which web pages link to a given page, based on the consideration that the number and nature of such backlinks was valuable information about that page

In his research project, nicknamed “BackRub”, Page was soon joined by Brin, who was supported by a National Science Foundation Graduate Fellowship. Brin was already a close friend, whom Page had first met in the summer of 1995, when Page was part of a group of potential new students that Brin had volunteered to show around the campus Both Brin and Page were working on the Stanford Digital Library Project (SDLP). The SDLP’s goal was “to develop the enabling technologies for a single, integrated and universal digital library” and it was funded through the National Science Foundation, among other federal agencies.
Financing and initial public offering

The first funding for Google as a company was secured in August 1998 in the form of a US$100,000 contribution from Andy Bechtolsheim, co-founder of Sun Microsystems, given to a corporation which did not yet exist.

On June 7, 1999, a round of equity funding totalling $25 million was announced;[30] the major investors being rival venture capital firms Kleiner Perkins Caufield & Byers and Sequoia Capital. While Google still needed more funding for their further expansion, Brin and Page were hesitant to take the company public, despite their financial issues. They were not ready to give up control over Google.

Following the closing of the $25 million financing round, Sequoia encouraged Brin and Page to hire a CEO. Brin and Page ultimately acquiesced and hired Eric Schmidt as Google’s first CEO in March 2001.

In October 2003, while discussing a possible initial public offering of shares (IPO), Microsoft approached the company about a possible partnership or mergerThe deal never materialized. In January 2004, Google announced the hiring of Morgan Stanley and Goldman Sachs Group to arrange an IPO. The IPO was projected to raise as much as $4 billion.

Google’s initial public offering took place on August 19, 2004.[33] A total of 19,605,052 shares were offered at a price of $85 per share. Of that, 14,142,135 (another mathematical reference as √2 ≈ 1.4142135) were floated by Google and 5,462,917 by selling stockholders. The sale raised US$1.67 billion, and gave Google a market capitalization of more than $23 billion.Many of Google’s employees became instant paper millionaires. Yahoo!, a competitor of Google, also benefited from the IPO because it owns 2.7 million shares of Google

The company was listed on the NASDAQ stock exchange under the ticker symbol GOOG. When Alphabet was created as Google’s parent company, it retained Google’s stock price history and ticker symbol.


Growth, 2003-2006

The first iteration of Google production servers was built with inexpensive hardware and was designed to be very fault-tolerant
In February 2003, Google acquired Pyra Labs, owner of Blogger, a web log hosting website. The acquisition secured the company’s competitive ability to use information gleaned from blog postings to improve the speed and relevance of articles contained in a companion product to the search engine Google News.

In February 2004, Yahoo! dropped its partnership with Google, providing an independent search engine of its own. This cost Google some market share, yet Yahoo!’s move highlighted Google’s own distinctiveness,[citation needed] and todaythe verb “to google” has entered a number of languages (first as a slang verb and now as a standard word), meaning “to perform a web search” (a possible indication of “Google” becoming a genericized trademark)


the relationship between Google, Baidu, and Yahoo
After the IPO, Google’s stock market capitalization rose greatly and the stock price more than quadrupled. On August 19, 2004 the number of shares outstanding was 172.85 million while the “free float” was 19.60 million (which makes 89% held by insiders). Google has a dual class stock structure in which each Class B share gets ten votes compared to each Class A share getting one. Page said in the prospectus that Google has “a dual class structure that is biased toward stability and independence and that requires investors to bet on the team, especially Sergey and me.”

In June, 2005, Google was valued at nearly $52 billion, making it one of the world’s biggest media companies by stock market value.
On August 18, 2005 (one year after the initial IPO), Google announced that it would sell 14,159,265 (another mathematical reference as π ≈ 3.14159265) more shares of its stock to raise money. The move would double Google’s cash stockpile to $7 billion. Google said it would use the money for “acquisitions of complementary businesses, technologies or other assets”

On September 28, 2005, Google announced a long-term research partnership with NASA which would involve Google building a 1,000,000-square-foot (93,000 m2) R&D center at NASA’s Ames Research Center, and on December 31, 2005 Time Warner’s AOL unit and Google unveiled an expanded partnership—see Partnerships below.


Early Updates
In its infancy, very little was needed to fully optimize on page content in the eyes of Google
With an inverse relationship between query position (in the HTML tag hierarchy) and weight, it simply boiled down to putting one’s important keywords higher on the HTML tag hierarchy. With this relatively simple algorithm in place, webmasters quickly discovered tricks to vastly boost their SERP (Search Engine Ranking Position). One of the first instances of deceitful SEO came in the form of link keyword stuffing under on page content. As a response, Google removed these sites from its index, a practice it occasionally reverts to as a way of punishing disingenuous webmasters looking to cheat the system. The seemingly arbitrary changes to Googles PageRank algorithm however, led to both community outrage (“many declaring the “death of PageRank”) and a noticeable decline in precision of search results.Google was also constructing its index via a large monthly crawl. Not only did this lock search results to this one month window, it also meant that results would show stale content. An update dubbed “Everflux” introduced fresh crawling (daily crawls) to supplement the larger, primary crawl. Daily crawling added another layer of relevancy (based upon date and time), to content ranking The inconsistencies of index versions across data centers during the early implementation of Everflux panicked webmasters, who saw their SERPs fluctuate wildly from day to day.

Google’s “Boston” update in February 2003 saw major algorithmic changes and the promise of frequent index updates.“Cassandra” marked a much more aggressive attack on shady SEO techniques like hidden and disguised keyword links, by emphasizing link quality This was taken a step further in “Dominic”, which sought to analyze the quality of all backlinks to prevent the then emerging practice of splogging (the practice of creating nonsensical offsite content to boost SERP of another site).
To combat practices like “Googlebombing” (putting irrelevant, often negative anchor text linking to popular websites) Dominic tinkered with the weighting of anchor text while stringently scrutinizing back links and internal linking. An exploit where webmasters would link to the same site using different anchor text (thereby allowing both links to unfairly contribute to sites PageRank) was addressed by allowing only one site (given duplicate site links with differing anchor text) link to flow to PageRank.


Fritz/Supplemental Index/Florida (2004)
Fritz finalized the “Everflux” implementation, meaning Google’s index would receive some degree of updating every day.Daily crawling added another layer of relevancy, (based upon date and time), to content ranking The creation of a supplemental index was designed to house content Google felt didn’t quite fit in its main index (due either to a low PageRank or shady linking practices). Storing some sites in a separate index that was to be searched only when no good match was found in the primary index, Google hoped, would seamlessly filter out duplicate and untrustworthy content
Questions about the efficacy of a multi-index system (particularly on improving recall) arose, and it remains unclear as to whether Google has retained this system.

Personalized Search (2005)
To create seamless personalization of search (beyond manual filtering) Google began tapping into users browsing histories to deliver more relevant, personal results. Promising to grow with the users browsing history, Personalized Search added a new dimension to search by incorporating past user behavior. The implementation of personalized search was a blow to those relying on SEO techniques, as user browsing history was an element outside of their control.

XML Sitemaps (2005)
By allowing webmasters to create and submit XML files dictating URLs to be crawled as well as procedural information regarding how the page should be crawled, Google expanded the scope of its index.Providing an additional method of organically increasing site exposure, Google hoped, would decrease the need for shady SEO practices.




Big Daddy (2005)
Big Daddy was less an algorithmic change as it was a change of Google’s crawling and indexing infrastructure.Pages with superfluous, reciprocal linking schemes and irrelevant outbound and inbound links would be demoted in the new crawler.Whereas previous updates handled the issue of link reliability through algorithmic changes, the Big Daddy modified how many pages a site would have crawled, and subsequently added to the index. The number of pages crawled on a site was again dependent on the relevance and quality of its links.

Universal Search (2007)
In May 2007 Google implemented Universal search to its standard web results page.Search results were now a compilation of all relevant results across all of Google’s “vertical” search engines, (Google Images, Google Video etc.). With the implementation of Universal Search, coverage of all types of content (not simply text) rose significantly. It now became important to optimize all forms of on-site content, not just on-site text content, increasing the complexity and breadth of SEO.

Google Suggest/Instant
Google Suggest marked the addition of real-time query suggestion. As users began to enter a query, a list of possible query matches would dynamically appear beneath the search bar, allowing for quicker and more accurate searches.According to Google, only about 2% of all user queries were tracked and monitored, in an effort to better improve the service, quelling concerns over privacy.The addition of instant suggestions added yet another dynamic to SEO, as webmasters now vied to associate their site with high ranking instant suggestion queries.

Real Time Search (2009)
In December 2009, Google integrated real time search results to its main SERP. Newly indexed, relevant content from social media and news sources would be dynamically inserted into a user’s SERP, thus providing “real time content.”Google also announced its desire to prioritize original, user driven social media over authoritative, corporate social media.Additionally, a separate “updates” filter was added, allowing the user to receive all incoming content from social media, sports, and news sources.

Caffeine (2010)
Google’s Caffeine was the result of a complete overhaul of Google’s indexing structure.[69] To accommodate for the explosion of new forms of content (video, real-time content, images) and growing user expectations, Google ditched its old linear system of indexing in favor of the more flexible Caffeine, capable of indexing thousands of pages in parallel.Google would no longer execute lengthy crawls supplemented by smaller daily crawls, but instead dynamically add to its index whenever new information appeared. Caffeine was reported to offer 50% fresher content than Google’s previous index, and required around 100 million gigabytes of storage.



The name “Google” originated from a misspelling of “googol”which refers to the number represented by a 1 followed by one-hundred zeros. Page and Brin write in their original paper on PageRank”We chose our systems name, Google, because it is a common spelling of googol, or 10100 and fits well with our goal of building very large-scale search engines.”

There are uses of the name going back at least as far as the creation of the comic strip character Barney Google in 1919. British children’s author Enid Blyton used the phrase “Google Bun” in The Magic Faraway Tree (published 1941) and The Folk of the Faraway Tree (published 1946),and called a clown character “Google” in Circus Days Again (published 1942). There is also the Googleplex Star Thinker from Douglas Adams’ The Hitchhiker’s Guide to the Galaxy. In March 1996 a business called Groove Track Productions applied for a United States trademark for “Google” for various products including several categories of clothing, stuffed toys, board games, and candy. The firm abandoned its application in July 1997.

Having found its way increasingly into everyday language, the verb “google” was added to the Merriam Webster Collegiate Dictionary and the Oxford English Dictionary in 2006, meaning “to use the Google search engine to obtain information on the Internet.”The use of the term itself reflects their mission to organize a seemingly infinite amount of information on the web. In November 2009, the Global Language Monitor named “Google” No. 7 on its Top Words of the Decade list In December 2009 the BBC highlighted Google in their “Portrait of the Decade (Words)” series.In May 2012, David Elliott filed a complaint against Google, Inc. claiming that Google’s once distinctive mark GOOGLE® has become generic and lacks trademark significance due to its common use as a transitive verb. After losing to Google in UDRP proceedings involving many “Google-related” domain name registrations that he owns, Elliott later sought a declaratory judgment that his domain names are rightfully his, that they do not infringe any trademark rights Google may own, and that all Google’s registered GOOGLE® marks should be cancelled since “Google” is now a common generic word worldwide that means “to search the Internet.”

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In 2004, Google formed a non-profit philanthropic wing that gave all the details to the user with a non profit aim and determination unlike,, giving it a starting fund of $1 billion.The express mission of the organization is to help with the issues of climate change (see also global warming), global public health, and global poverty. Among its first projects is to develop a viable plug-in hybrid electric vehicle that can attain 0.24 litre/10 km.


Google has worked with several corporations, in order to improve production and services. On September 28, 2005, Google announced a long-term research partnership with NASA which would involve Google building a 1,000,000-square-foot (93,000 m2) R&D center at NASA’s Ames Research Center. NASA and Google are planning to work together on a variety of areas, including large-scale data management, massively distributed computing, bio-info-nano convergence, and encouragement of the entrepreneurial space industry. The new building would also include labs, offices, and housing for Google engineers. In October 2006, Google formed a partnership with Sun Microsystems to help share and distribute each other’s technologies. As part of the partnership Google will hire employees to help the open source office program

.mobi top-level domain (2007)
In coordination with several of the major corporations, including Microsoft, Nokia, LG, Samsung, and Ericsson, Google provided financial support in the launch of the .mobi top level domain created specifically for the mobile internet, stating that it is supporting the new domain extension to help set the standards that will define the future of mobile content and improve the experience of Google users. In early 2006, Google launched, a mobile search portal offering several Google mobile products, including stripped-down versions of its applications and services for mobile users.On September 17, 2007, Google launched “Adsense for Mobile”, a service to its publishing partners providing the ability to monetize their mobile websites through the targeted placement of mobile text ads. Also in September, Google acquired the mobile social networking site, to “provide people worldwide with direct access to Google applications, and ultimately the information they want and need, right from their mobile devices

Legal battles
Gonzales v. Google
On Wednesday, January 18, 2006, the U.S. Justice Department filed a motion to compel in United States district court in San Jose seeking a court order that would compel search engine company Google Inc. to turn over “a multi-stage random sample of one million URL’s” from Google’s database, and a computer file with “the text of each search string entered onto Google’s search engine over a one-week period (absent any information identifying the person who entered such query).” Google maintains that their policy has always been to assure its users’ privacy and anonymity, and challenged the subpoena. On March 18, 2006, a federal judge ruled that while Google must surrender 50,000 random URLs, the Department of Justice did not meet the necessary burden to force Google to disclose any search terms entered by its users in Google.

Bedrock Computer Technologies, LLC vs. Google, Inc
A jury in Texas awarded Bedrock Computer Technologies $5 million in a patent lawsuit against Google. The patent allegedly covered use of hash tables with garbage collection and separate chaining in the Red Hat Linux kernel. Google and Bedrock later settled the case and the judgment was vacated by the court.

UK tax avoidance investigation
In November 2012, the UK government announced plans to investigate Google, along with Starbucks and, for possible tax avoidance.On 20 January 2016, Google announced that it would pay £130m in back taxes to settle the investigation. However, only 8 days later, it was announced that Google could end up paying more, and UK tax officials were under investigation for what has been termed a “sweetheart deal” for Google

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