http://www.youtube.com/watch?v=vS_a8Edde8kUse that and you'll get laid everytime your phone rings.
http://www.youtube.com/watch?v=mD3v1B_aXw0Use this.
Offtopic: I put my phone behind my friend in class, put the speakers up loud and phoned it using my other friends phone. Not only was he scared as hell, the teacher was yelling at him.
http://www.youtube.com/watch?v=RT3NA5Q08mk
Lol, When I'm done my stuff, my math teacher let's us use her computer. We play minecraft usually.