Prank someone at the office by setting up an upside down mug with coffee inside. Once they lift the cup, the coffee will spill everywhere.

You already know how to use your phone. With Gadget Hacks' newsletter, we'll show you how to master it. Each week, we explore features, hidden tools, and advanced settings that give you more control over iOS and Android than most users even know exists.
Sign up for Gadget Hacks Weekly and start unlocking your phone's full potential.
Comments
Be the first, drop a comment!