Just when I thought I had seen everything, a French telecom company has come up with a t-shirt that uses ambient noise to activate a piezoelectric film embedded in a t-shirt which in turn charges a battery that you can use to charge your phone.  So basically you go to a festival where there is lots of noise and your shirt sucks that up and charges your emergency battery. What?

Read for yourself here.  Charge your Phone with your Shirt.