There may be "niche" areas that are still big enough to be worthwhile where AWS is not very good and Facebook could compete. The obvious example to me is Machin

There may be "niche" areas that are still big enough to be worthwhile where AWS is not very good and Facebook could compete. The obvious example to me is Machine Learning workloads. Facebook has lots of experience here, and AWS overall isn't very good at it. There are lots of smaller niche players with better offerings, and room for a big competitor. There may also be examples in other areas. Also, AWS is very complicated now, so any new entrant that can build a simpler version from the ground up will be at an advantage