While I'm just about fully converted from iOS Land, one thing frustrating me is Notifications on my new S4. Twitter, FB mentions, FB Page Manager and even text messages are my biggest gripes. Inconsistency is my main issue. Sometimes Twitter mentions will appear in my notifications bar, sometimes they won't. Notifications are enabled in each of these apps. Another related issue: how in the blue hell can I get these notifications to appear on my lock screen when the screen is not turned on?! I can't, for the life of me, figure this out. The biggest issue being text messages. I'm mainly sticking with GO SMS Pro as my default texting app, and again - inconsistency when it comes to being alerted to new messages, specifically when the screen is turned off. Am I the only one with this issue? Any help is much appreciated.