This is fantastic. I hope Facebook continues with the break-apps-up strategy, because it makes a lot more sense for mobile. On mobile, you have less screen real estate, a less precise pointing device (fat fingers vs. a mouse), and you're generally shorter on time, especially compared to when you're wasting time on Facebook on your laptop. All these things mean that simpler apps with fewer UI elements and with a single clear purpose are much better on mobile. I already use Messeger alone as much as the actual Facebook app, which is disastrously unwieldy. Here's hoping we see events and contacts as the next apps. Games is also probably a big priority.