Originally Posted by webhosting4u
3. When you write telphone numbers like IP's - 212.555.1234
Yes I do this! Not sure how it got started, but fits neatly in my Palm Pilot
This is a "you know you are a geek" thing in general
I have done this for a while and it is helpful on the Treo as it is the only special character that does not require the shift or option key to type.