Andrew J. Bohuslavizki- Facebook

http://www.facebook.com/andrew.bohuslavizki/friends

Facebook is an online social networking service, whose name stems from the colloquial name for the book given to students at the start of the academic year by some university administrations in the United States to help students get to know each other.[7] It was founded in February 2004 by Mark Zuckerberg with his college roommates and fellow Harvard University students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes.[8] The website’s membership was initially limited by the founders to Harvard students, but was expanded to other colleges in the Boston area, the Ivy League, and Stanford University. It gradually added support for students at various other universities before opening to high school students, and eventually to anyone aged 13 and over. Facebook now allows any users who declare themselves to be at least 13 years old to become registered users of the site.[9]

Users must register before using the site, after which they may create a personal profile, add other users as friends, and exchange messages, including automatic notifications when they update their profile. Additionally, users may join common-interest user groups, organized by workplace, school or college, or other characteristics, and categorize their friends into lists such as “People From Work” or “Close Friends”. As of September 2012, Facebook has over one billion active users,[10] of which 8.7% are fake.[11] According to a May 2011 Consumer Reports survey, there are 7.5 million children under 13 with accounts and 5 million under 10, violating the site’s terms of service.[12]

In May 2005, Accel partners invested $12.7 million in Facebook, and Jim Breyer[13] added $1 million of his own money to the pot. A January 2009 Compete.com study ranked Facebook as the most used social networking service by worldwide monthly active users.[14] Entertainment Weekly included the site on its end-of-the-decade “best-of” list, saying, “How on earth did we stalk our exes, remember our co-workers’ birthdays, bug our friends, and play a rousing game of Scrabulous before Facebook?”[15] Facebook eventually filed for an initial public offering on February 1, 2012, and was headquartered in Menlo Park, California.[2] Facebook Inc. began selling stock to the public and trading on the NASDAQ on May 18, 2012.[16] Based on its 2012 income of USD 5.1 Billion, Facebook joined the Fortune 500 list for the first time, being placed at position of 462 on the list published in May 2013.[17]

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Andrew Bohuslavizki- Twitter

Andrew Bohuslavizki @ Twitter-Twitter is an online social networking service and microblogging service that enables its users to send and read text-based messages of up to 140 characters, known as “tweets”.

Twitter was created in March 2006 by Jack Dorsey and by July, the social networking site was launched. The service rapidly gained worldwide popularity, with over 500 million registered users as of 2012, generating over 340 million tweets daily and handling over 1.6 billion search queries per day.[10][11][12] Since its launch, Twitter has become one of the ten most visited websites on the Internet, and has been described as “the SMS of the Internet.”[7][13] Unregistered users can read tweets, while registered users can post tweets through the website interface, SMS, or a range of apps for mobile devices.[14]

Twitter Inc. is based in San Francisco, with additional servers and offices in New York City, Boston, and San Antonio.