Sometimes you just want to drown out the noise around you — starting with cellphones. While cellphones are great communication devices, people who go overboard, spilling their life stories out loud in public tend to become annoying. Silence them with the world's smallest cellphone jammer.
Few things are more annoying than having someone break off a conversation to answer their cellphone. It's as if the person on the other end is much more important than you. Silencing or switching off your phone is the courteous thing to do, but now you can actually demonstrate your courtesy, by sticking your phone inside this cellphone signal blocking handkerchief.