Here’s a few ways to better control what Apps notify you, post as you and show in your feed. It used to be a single link that allowed you to block an App, either from that Apps Page or from right in your stream. Facebook took away the App Pages and moved things around. (don’t they …
How to block a App in your Facebook Feed.
New Comment Policy:
If you see something, say something!
(shamelessly borrowed from Homeland Security but really, let's bring commenting on posts back!)