Presentaion:/ˌprɛz ənˈteɪ ʃən, ˌpri zɛn-/ Set number of agonizing minutes of exclusive divided attention (divided among you & your lousy slides, facebook, youtube, email, myspace, text messages, chats + other cool websites and iphone apps) intended for explaining to a group of unwilling students what took you 3 weeks to partially understand and one night to put on powerpoint.