Truphone today announced a unique softphone application built on Facebook Platform that enables Facebook users and their friends to call each other for free. Among the 'firsts' introduced by the Truphone 'Call Me' application is a moveable button that can be dropped anywhere on Facebook that accepts attachments, enabling users to: embed their 'Call Me' button within Facebook messages; post their 'Call Me' button onto their friends' walls; drop their 'Call Me' button onto Facebook...
