According to ZDNet, usernames, email addresses, and hashed passwords of 699,464 user accounts were stolen in the breach, carried out earlier this month.
If you have an account there, do change the password asap. If you use the same password elsewhere, do change it there as well!
About 700K hacked! I think that’s almost everyone. I also had about the hack but never knew it was that bad. It has always been my policy since 2005, to keep different passwords and change them every year because every year we keep hearing about major hacks on important sites.