Member Since: Jul 17, 2009
Mac Specs: 27" i7 iMac, 24" iMac, 13" Macbook Air, iPhone 5 & 5S, iPod Nano 7th Gen, iPad 2 16GB WiFi, iPad 3
05-27-2014, 05:42 PM
No, it isn't..let me explain.
Before Notification Center was included in OS X, apps used facilities like GROWL to pop-up notifications from applications. With the inclusion of Notification Center, just like on iOS, apps that want to support notifications are included in that list..
For example, I don't have Daisy Disk installed and thus don't have it listed. I do, however, have VMWare Fusion, Adium, Evernote installed and visible on my list..
Check your Applications folder to see if you see anything called Facebook, also check your menu bar to see for anything called Facebook. You can also go to the Mac App Store, click Purchases on the top and search for anything Facebook related..
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