A public service announcement.
If you only rarely peek out from underneath your rock and don't know about Heartbleed you should bother to find out. Additional info e.g. here. A pretty basic tool to check servers is here.
Notable vulnerable services were, for example, Gmail and Yahoo Mail.
List of affected sites with recommendations on which to change your password. Unfortunately, you should also probably change any other sites on which you use the same password.
It's a good time to do an Expected Utility calculation!
if you think that: p(having your accounts compromised) ( pain if accounts are compromised) > 1 (inconvenience of changing passwords), then change em!
Also, might be a good opportunity for you to start using a password manager like LastPass
You know the drill - If it's worth saying, but not worth its own post (even in Discussion), then it goes here.