SUMMARY• Facebook• Wikipedia• Twitter• Blogger• Pb.works• Wordpress• Second life• Picasa• Youtube• Google• Google plus+
FACEBOOK• Facebook is a social networking service.• As of July 2011, Facebook has more than 800 million active users.• Facebook was funded by Mark Zuckerberg.• The Web sites membership was initially limited by the founders to Hardvard students, but was expanded to other colleges in the Boston area, the Ivy Leage, and Stanford University.
WIKIPEDIA• Wikipedia is a web-based in a free enciclopedy.• Its 19.8 million articles have been written collaboratively by volunteers around the world.• As of July 2011, there are editions of Wikipedia in 282 languages.• Wikipedia began as a complementary project for Nupedia, a free online English-language.
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.
BLOGGER• 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.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.
PB. WORKS• PBworks (formerly PBwiki) is a commercial real-time collaborative editing (RTCE) system created by David Weekly, with Ramit Sethi and 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 a free and open source blogging tool and publishing platform powered by PHP and MySQL. It is often customized into acontentmanagement 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.• WordPress users may install and switch between themes. Themes allow users to change the look and functionality of a WordPress website or installation without altering the informational content. Themes may be installed by using the Wordpress "Dashboard" administration tool, cPanel or uploading theme folders via FTP. The PHP and HTML code in themes can also be edited for more advanced customizations.
SECOND LIFE• 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 iPhotoplugin 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• 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.• Unregistered users may watch videos, and registered users may upload an unlimited number of videos. Videos that are considered to contain potentially offensive content are available only to registered users 18 years old and older. In November 2006, YouTube, LLC was bought by Google Inc. for US$1.65 billion, and now operates as a subsidiary of Google.
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 publ 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.• Googles rapid growth since its incorporation has triggered a chain of products, acquisitions, and partnerships beyond the companys coreweb search engine. The company offers online productivity software, such as its Gmail email service, and social networking tools, includingOrkut and, more recently, Google Buzz and Google+. Googles products extend to the desktop as well, with applications such as the web browser Google Chrome, the Picasa photo organization and editing software, and the Google Talk instant messaging application. Google leads the development of the Android mobile operating system, used on a number of phones such as the Motorola Droid and the Samsung Galaxy smartphone series, as well as the new Google Chrome OS, best known as the main operating system on the Cr-48 and also, since 15 June 2011, on commercial Chromebooks such as the Samsung Series 5 and Acer AC700.
GOOGLE +• 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.• At the initial launch, Google Apps accounts could not be used on Google+ due to lack of support for Google Profiles. On October 27, Google announced that Google+ now supports Google Apps users (if the users domain administrator has enabled the service).