Dial a phone number. Instead of the person you're trying to reach, a stranger picks up. After a moment of confusion, you blurt out "sorry, wrong number," and hang up. Was it your fault? In 1960s America, it might have been the phone company's error, but AT&T was happy to let you blame yourself.
Click to viewStop whatever you're doing right now and go tell your dear ones that you love them. You'll be glad you did once you listen to this voicemail recording.
If you really want to screw with someone, put this Wrong Number Generator on their landline. When your victim (wife) tries to make a call, it'll screw up some digits and randomly dial someone. Better yet, it only does this 75% of the time, meaning that it'll let them dial the right number 25% of the time—which allows…
Screw touchscreens. When Superman makes a call, he wants to rearrange crystals and have his father come out in non-corporeal form and tell him that he's doing everything wrong, and if he doesn't hurry and finish dialing, all mankind is doomed.