1) All of your friends have @ in their names
2) You can't call your mother...she doesn't have a modem
3) Your spouse makes a new rule... Computers don't come to bed.
4) You laugh at people with 56K modems.
5) You start tilting your head to smile :-)
6) Your phone bill comes to your house in a box
7) You find yourself typing com after every period
8) You start introducing your self as 'Jon@internet.com'