Chris Morrison writes:
We started hearing reports midday on Friday that Critter Island had disappeared. It’s now a day later, and Critter Island is still down, along with dozens of other apps we have listed in AppData for developer LOLapps. All redirect to facebook.com.
Instead, we’ve learned that these suspensions likely relate to worries at Facebook about privacy, specifically relating to sharing data with third-party advertising services. More information is likely to emerge on Monday.
Read more on Inside Social Games.
Update: See the WSJ article, mentioned here, for the likely explanation.