Make sure you are careful about GMAIL. You have to disable the buzz function or others will be able to view who you email often! Apparently they thought it would improve the social network to make public your address book!
There is a thread on this board about how to disable this function started by somebody much smarter than I:
Discrete's Guide To Privacy
Originally Posted by ANONONE
Thanks for the heads up. I don't have a problem with my wife since we are in an open swinger relationship but I use my regular gmail account and would hate for my family or friends to see some of the people I email.