Yup. It can catch bugs. It also allows them to catch drops in numbers and other problems. This is the main reason that the 2013 newsfeed design never made it to

Yup. It can catch bugs. It also allows them to catch drops in numbers and other problems. This is the main reason that the 2013 newsfeed design never made it to anyone else. Also, at least in the past, FB used to roll out redesigns to groups that were relatively isolated from the rest of the graph like New Zealand.