Google :Google Inc. is an American multinational public corporation and invests in Internet search, cloud computing, and advertising technologies. Google hosts and develops a number of Internet-based services and products and generates profit primarily from advertising through its AdWords program. The company was founded by Larry Page and Sergey Brin.
Facebook : Facebook is a social network service and website launched in February 2004 that is operated and privately owned by Facebook, Inc. As of January 2011, Facebook has more than 600 million active users.Facebook was founded by Mark Zuckerberg with his college roommates and fellow computer science students Eduardo Saverin, Dustin Moskovitz and Chris Hughes.
Youtube : YouTube is a video-sharing website on which users can upload, share, and view videos, created by three former PayPal employees in February 2005.The company is based in San Bruno, California, and uses Adobe Flash Video technology to display a wide variety of user-generated video content, including movie clips, TV clips, and music videos, as well as amateur content such as video blogging and short original videos.
Yahoo : Yahoo! Inc. is an American public corporation with headquarters in Sunnyvale, California, (in Silicon Valley), that provides services via the Internet worldwide.
Live.com :Windows Live.com let users add RSS feeds in order to view news at a glance. Building off Microsoft’s Start.com experimental page, Live.com could be customized with Gadgets, mini-applications that could serve almost any purpose (e.g. mail readers, weather reports, slide shows, search, games, etc.). Some gadgets integrated with other Windows Live services, including Hotmail, Live Search, and Favorites.
Blogger.com : Blogger is a blog-publishing service that allows private or multi-user blogs with time-stamped entries. It was created by Pyra Labs, which was bought by Google in 2003. Generally, the blogs are hosted by Google at subdomain of blogspot.com. Blogger allows users to publish blogs on other hosts, via FTP.
Baidu : Baidu, Inc. simply known as Baidu and incorporated on January 18, 2000, is a Chinese web services company headquartered in the Baidu Campus in Haidian District. Baidu offers many services, including a Chinese search engine for websites, audio files, and images. Baidu offers 57 search and community services including Baidu Baike, an online collaboratively-built encyclopedia, and a searchable keyword-based discussion forum. Baidu was established in 2000 by co-founders, Robin Li and Eric Xu.
Wikipedia :Wikipedia is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 18 million articles (over 3.5 million in English) have been written collaboratively by volunteers around the world, and almost all of its articles can be edited by anyone with access to the site. Wikipedia was launched in 2001 by Jimmy Wales and Larry Sanger.
Twitter : Twitter is a website, owned and operated by Twitter Inc., which offers a social networking and microblogging service, enabling its users to send and read messages called tweets. Tweets are text-based posts of up to 140 characters displayed on the user’s profile page. Tweets are publicly visible by default; however, senders can restrict message delivery to just their followers. Users may subscribe to other users’ tweets – this is known as following and subscribers are known as followers.
QQ.com : Tencent QQ, generally referred to as QQ, is the most popular free instant messaging computer program in Mainland China. As of September 30, 2010, the active QQ users accounts for QQ IM amounted to 636.6 million[1], possibly making it the world’s largest online community. The number of simultaneous online QQ accounts exceeded 100 million.
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