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.
Facebook, originally called The Facebook with the domain thefacebook.com, was officially launched on February 4, 2004 by Mark Zuckerberg. Membership was originally restricted to those who attended Harvard College. In less than a month over half of the students had signed up.
September of 2005 saw the launch of the high school version of Facebook, to join people had to be invited. Facebook then expanded into businesses such as Apple Inc and Microsoft. Finally in September of 2006 Facebook was opened up to anyone aged 13 or over with a valid email account.