Did you know that you have three separate message inboxes on Facebook? And that Facebook only notifies you about messages in one of them?

Facebook has quietly enabled a new, easier way to block Facebook apps from spamming you with invitations, requests, and other annoying intrusions, and here’s how to block Facebook apps using this new convenient method. This is a welcome change, as previously you had to go to a completely different page in order to block an app (although if you want to instead block all invitations from a particular user, you still need to go to that “manage apps” page).