Time to change your Google/GMail passwords.  5 Million accounts have been leaked.  http://lifehacker.com/5-million-gmail-passwords-leaked-check-yours-now-1632983265/+dodai

There's some links in the attached article to check if your account was among them, but I just went ahead and changed my password anyway.  My trust of online resources is pretty low these days for some reason.  :)