From the springboard, pull down the Notification Center. Nothing unusual. Now open up an app, like the Facebook app. Pull down the Notification Center, and you will feel two little bumps from the Taptic engine in the phone as you pull it down. The bumps coincide with going over lines in the UI, like little road bumps.
I've never noticed that before. And yeah, maybe I'm a little buzzed right now.
I've never noticed that before. And yeah, maybe I'm a little buzzed right now.