Some users are reporting that a significant amount of their +1’s gained from YouLikeHits are disappearing.  We’re monitoring the issues and we’re working on some fixes to make sure that it doesn’t continue.  We’ll be changing the way we handle +1’s to help make them less mass +1’d and appear more legit.  We’re going to use an external window instead of an inline frame for +1’s and we’re going to require users to wait a certain amount of seconds between each +1.