If you haven't heard about it yet, there has been a flaw in the encryption protocols of Open SSL, and the so-called "Heartbleed bug" may have leaked personal information you had on these servers. So if you are using sites on the Internet that were affected (and who doesn't - Google is one of them) you might want to change your passwords.
Here's a list of affected sites; here is another one with a bit more explanation on how the bug was discovered (and links).
If you want the short and sweet explanation, here it is courtesy of XKCD:
On a totally different note - you can still ask me anything on yesterday's post. I'll keep checking for new questions until (and including) the Easter weekend. So go crazy!