Facebook has released a couple of updates on their platforms. The most important one is that their commenting platform for third party sites is now compatible with mobile devices.
The company said that the updated component is optimized to appear like their mobile interface which should be more familiar to web users.
Facebook also announced a bunch of other updates:
Graph API Now Supports Filters for the Home connection
Infinite Scrolling for the Apps and Games Dashboard
Breaking Change: User Support Email is Now Required for Apps