Gmail has a remote log out feature that's quite handy in situations where your account could be exposed to prying eyes, allowing you to end all active sessions from any computer or mobile phone. Some of you might not be familiar with it but it sits right there at the bottom of your inbox and is just a single click away.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips