Signs you spend too much time on the computer

1 - You drop something and your left hand instinctively reaches out to press Ctrl-Z

2 - You receive a handwritten note and instinctively scan the top looking for a timestamp

3 - You try to write a handwritten note but you spend so much time looking for paper and pen or pencil that you give up and just write an email

4 - You try to write a handwritten note but your hand cramps after just 2 or 3 words

5 - You mentally categorize people without email addresses as 'Dead'

6 - When you hear a song you like on the radio/PA system you try to vote it up