Buying a metal detector based solely on the number of frequencies it produces will cause you to miss treasure virtually every time you hunt! The 12.5 imaging search coil retails for $249.95, and is part of Garrett GTI upgraded pro package. Garrett's search coil technology is the most advanced of any manufacturer.
Facebook Inc. began selling stock to the public and trading on the NASDAQ on May 18, 2012. Based on its 2012 income of $5 billion, Facebook joined the Fortune 500 list for the first time in May 2013, ranked in position 462.
A brief history of Facebook. 1  Sarah Phillips reports on the development of Facebook, from a Harvard social-networking website to a global internet phenomenon. 2  Sarah Phillips reports on the development of Facebook, from a Harvard social-networking website to a global internet phenomenon. Wednesday 25 July 2007 05.29 EDT First published on Wednesday 25 July 2007 05.29 EDT. Mark Zuckerberg, 23, founded Facebook while studying psychology at Harvard University. A keen computer programmer, Mr Zuckerberg had already developed a number of social-networking websites for fellow students, including Coursematch, which allowed users to view people taking their degree, and Facemash, where you could rate people's attractiveness.