Some of you might have gotten the notice that your email appeared in the Zynga breach.
It's ok, they got salted hashed passwords. This means that unless the attackers also got the salt value, they can't look up your hash in a rainbow table to find your password. (Think of a dictionary with a random order where each word is a password, but only the entry number was saved and the salt value being the specific edition of the dictionary)
Follow
A hacker calling himself Gnosticplayers told Hacker News in September that he had accessed users’ names, email addresses, login IDs, phone numbers, and passwords.