70. Stand over someone's shoulder, mumbling, as they read.
71. Pretend your computer's mouse is a CB radio, and talk to it.
72. Try playing the William Tell Overture by tapping on the bottom of your chin. When nearly done, announce "no, wait, I messed it up," and repeat.
73. Drive half a block.
74. Inform others that they exist only in your imagination.
75. Ask people what gender they are.
76. Lick the filling out of all the Oreos, and place the cookie parts back.