RT mean "Re-tweet" It's for twitter
You follow them home.
someones a stalker
If you mean the email address of other WikiAnswers contributors, then you have to ask them on their message board. Just keep in mind that the message boards are not private; anyone can read them.
Road / Track racing technology
You cannot.
stalker much?
Nope.
Yes
You cannot find someones name from their email address.
In crochet and knitting, RT stands for right twist.
retweet