For all you starbucks wifi enthusiasts, anyone can impersonate you on facebook while there
Basically, if you are using a public wifi, your login is still protected but after the login, your accounts are vulnerable. Anyone on the same wifi can catch your IP address and access your facebook info, twitter followers and so on. The referenced article may help solve that problem but it takes some patience and computer savvy to implement. It works on all laptops except vista.
See this Amp at http://amplify.com/u/e0xe
via Amplify.com