summary• Facebook •Picasa• Wikipèdia• Twitter •Youtube• Blogger •Google• Pb.works •Google plus +• Wordpress• Second life
facebook• Facebook is a social networking service and Web site launched in February 2004, operated and privately owned by Facebook, Inc.• Mark Zuckerberg wrote Facemash, the predecessor to Facebook, on October 28, 2003, while attending hardvareas a sophomore. According to the harvare, the site was comparable hot or not, and "used photos compiled from the online facebooks of nine houses, placing two next to each other at a time and asking users to choose the hotter person".
wikipedia• is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 20 million articles (over 3.78 million in English) have been written collaboratively by volunteers around the world. Almost all of its articles can be edited by anyone with access to the site, and it has about 90,000 regularly active contributors. As of July 2011, there are editions of Wikipedia in 282 languages. It has become the largest and most popular general reference work on the Internet, ranking sixth globally among all websites on Alexa and having an estimated 365 million readers worldwide. It is estimated that Wikipedia receives 2.7 billion monthly pageviews from the United States alone.
twitter• Twitter is an online social networking and microblogging service that enables its users to send and read text-based posts of up to 140 characters, informally known as "tweets".• Twitter was created in March 2006 by Jack Dorsey and launched that July. Twitter rapidly gained worldwide popularity, with 200 million users as of 2011, generating over 200 million tweets and handling over 1.6 billion search queries per day. It is sometimes described as "the SMS of the Internet."• Twitter Inc., the company that operates the service and associated website, is based in San Francisco, with additional servers and offices in San Antonio, Boston, and New York City.
• 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 a subdomain of blogspot.com. Up until May 1, 2010 Blogger allowed users to publish blogs on other hosts, via FTP. All such blogs had (or still have) to be moved to Googles own servers, with domains other than blogspot.com allowed via Custom URLs. In July of 2011 a news outlet announced that Google intends to change the name of the service from "Blogger" to "Google Blogs," as part of a larger plan to re-brand or retire all non-Google brands in its portfolio of products and services.
• PBworks (formerly PBwiki) is a commercial real-time collaborative editing (RTCE) system created by David Weekly, with Ramit Sethiand Nathan Schmidt joining shortly thereafter as co-founders. Based in San Mateo, California, the companys original name stems from their belief that "making a wiki is as easy as making a peanut butter sandwich". The company operates on a freemium basis, with basic features being offered for free and more advanced features for a fee.• PBworks investors include Mohr Davidow Ventures and the Seraph Group, as well as angel investors Ron Conway and Chris Yeh.• In June 2008 the company hired Jim Groff, a former employee of Oracle Corporation and Apple Inc., for its new CEO. David Weekly, the former CEO, remains its Chief Product Officer and Chairman.
wordpress• WordPress is an open source blogging tool and publishing platform powered by PHP and MySQL. It is often customized into a content management system (CMS). It has many features including a plug-in architecture and a template system. WordPress is used by over 14.7% of Alexa Internets "top 1 million" websites and as of August 2011 powers 22% of all new websites.WordPress is currently the most popular CMS in use on the Internet.• It was first released on May 27, 2003, by Matt Mullenweg as a fork of b2/cafelog. As of February 2011, version 3.0 had been downloaded over 32.5 million times.
Second file• Second Life is an online virtual world developed by Linden Lab. It was launched on June 23, 2003. A number of free client programs, or Viewers, enable Second Life users, called Residents, to interact with each other through avatars. Residents can explore the world (known as the grid), meet other residents, socialize, participate in individual and group activities, and create and trade virtual property and services with one another. Second Life is intended for people aged 16 and over,and as of 2011 has about one million active users.• Built into the software is a three-dimensional modeling tool based around simple geometric shapes that allows residents to build virtual objects. There is also a procedural scripting language, Linden Scripting Language, which can be used to add interactivity to objects. Sculpted prims (sculpties), mesh, textures for clothing or other objects, and animations and gestures can be created using external software and imported. The Second Life Terms of Service provide that users retain copyright for any content they create, and the server and client provide simple digital rights management functions.
picasa• Picasa is an image organizer and image viewer for organizing and editing digital photos, plus an integrated photo-sharing website, originally created by Idealab in 2002 and owned by Google since 2004. "Picasa" is a blend of the name of Spanish painter Pablo Picasso, the phrase mi casa for "my house", and "pic" for pictures (personalized art). In July 2004, Google acquired Picasa and began offering it as a free download.• Native applications for Windows XP, Windows Vista, Windows 7 and Mac OS X (Intel only) are available through Google Labs. For Linux, Google has bundled Wine with the Windows version to create an installation package rather than write a native Linux version, but this version is severely out of date (the latest Windows version, however, can be run with Wine, see Linux section). There is also an iPhoto plugin or a standalone program for uploading photos available for Mac OS X 10.4 and later.• It was reported in July 2011 that Google would be rebranding Picasa as Google Photos.
• YouTube is a video-sharing website, created by three former PayPal employees in February 2005, on which users can upload, view and share videos.• The company is based in San Bruno, California, and uses Adobe Flash Video and HTML5 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. Most of the content on YouTube has been uploaded by individuals, although media corporations including CBS, BBC,VEVO, Hulu, and other organizations offer some of their material via the site, as part of the YouTube partnership program.• The longest video I’ve ever seen in youtube is nyan cat that it’s 100 hours long this is nyan cat
Google• Google Inc. is an American multinational public corporation invested 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 itsAdWords program.The company was founded by Larry Page and Sergey Brin, often dubbed the "Google Guys",while the two were attending Stanford University as PhD candidates.• It was first incorporated as a privately held company on September 4, 1998, and its initial public offering followed on August 19, 2004. At that time Larry Page, Sergey Brin, and Eric Schmidt agreed to work together at Google for twenty years, until the year 2024. The companys mission statement from the outset was "to organize the worlds information and make it universally accessible and useful", and the companys unofficial slogan – coined by Google engineer Amit Patel and supported by Paul Buchheit – is "Dont be evil“. In 2006, the company moved to its current headquarters in Mountain View, California.
Google plus+• Google+ (pronounced and sometimes written as Google Plus, sometimes abbreviated as G+) is a social networking and identity service,operated by Google Inc.• The service was launched on June 28, 2011, in an invite-only "field testing" phase. The following day, existing users were allowed to invite friends who were over 18 years of age to the service to create their own accounts. This was suspended the next day due to an "insane demand" for accounts.On August 6, each Google+ member had 150 invitations to give out,but on September 20, 2011, Google+ was opened to everyone 18 years of age or older without the need for an invitation. After Google+ went public, users registered to Google+, but those under 18 years of age were unable to sign up for Google+.• Google+ integrates social services such as Google Profiles and Google Buzz, and introduces new services identified as Circles, Hangouts and Sparks. Google+ is available as a web site, and will be available as a desktop application, and is already available as a mobile application, but only on the Android and iOS operating systems. Google has launched an API platform for developers.Sources such as The New York Times have declared it Googles biggest attempt to rival the social network Facebook,which had over 800 million users in 2011.