The blurb, which a Reddit user claims he found in the manual of his colleague’s new Samsung phone, actually outlines a pretty advanced version of the popular technique: making your phone actually ring before you fake answer it. Usually I just shove the thing up toward my face and start talking. [Reddit via BoingBoing]
My Samsung F480i had this feature, I never found it too useful, but then I don't tend to hang around people I don't like.