10. E-Mail flames from some guy named "Fluffy."
9. Traces of kitty litter in your keyboard.
8. You find you've been subscribed to strange newsgroups like
<<alt.recreational.catnip>>.
7. Your web browser has a new home page:
<[link]http://www.feline.com/[/link]>.
6. Your mouse has teeth marks in it ... and a strange aroma of tuna.
5. Hate-mail messages to Apple Computer Corp. about their
release of "CyberDog."
4. Your new ergonomic keyboard has a strange territorial
scent to it.
3. You keep finding new software around your house like
CatinTax and WarCat II.
2. On IRC you're known as the IronMouser.

and the #1 Sign Your Cat Has Learned Your Internet Password...

1. Little kitty carpal-tunnel braces near the scratching post.