Top 10 Websites with their Launch Year

* Google : Sept 4, 1998
Google is an American multinational technology company specializing in Internet-related services and products. These include online advertising technologies, search, cloud computing, and software.

* Facebook : Feb 4, 2004
Facebook is an online social networking service headquartered in Menlo Park, California. Its website was launched on February 4, 2004, by Mark Zuckerberg with his college roommates and fellow Harvard
* YouTube : Feb 14, 2005
YouTube is a video-sharing website headquartered in San Bruno, California, United States. The service was created by three former PayPal employees in February 2005. In November 2006, it was bought by Google for US$1.65 billion

* Yahoo ! : March 1994
Yahoo Inc. is an American multinational technology company headquartered in Sunnyvale, California. It is globally known for its Web portal, search engine Yahoo Search, and related services, including
* Baidu : Jan 1, 2000
Baidu  Inc., incorporated on January 18, 2000, is a Chinese web services company headquartered at the Baidu Campus in Beijing's Haidian District

* Wikipedia : Jan 15, 2001
Astatine is a very rare radioactive chemical element with the chemical symbol At and atomic number 85. It occurs on Earth as the decay product of various heavier elements. All its isotopes are short-lived, with half-lives of 8.1 hours or less. Elemental astatine has never been viewed because a mass large enough to be seen by the naked eye would be immediately vaporized by its radioactive heating

* Windows Live : Nov 1, 2005
Windows Live is a discontinued brand name for a set of web services and software products from Microsoft as part of their software plus services platform. Chief components under the brand name include web services (all of which are exposed through corresponding web apps), several computer programs that interact with the services, and specialized web services for mobile devices.

* Amazon.com : 1994
Amazon.com, Inc. is an American electronic commerce company with headquarters in Seattle, Washington. It is the largest Internet-based retailer in the United States.

* Tencent QQ : February 1999
Tencent Holdings Limited is a Chinese investment holding company whose subsidiaries provide media, entertainment, internet and mobile phone value-added services, and operate online advertising services in China.

* Twitter : March 21, 2006
Twitter is an online social networking service that enables users to send and read short 140-character messages called "tweets". Registered users can read and post tweets, but unregistered users can only read them.