Imagine slapping your nightstand to snooze your iPhone’s alarm. Or rapping on the kitchen countertop to flip recipe book pages so your flour-coated hands don’t mess up the iPad’s screen. These scenarios could soon be real: XTouch is a new technology that essentially turns any solid surface into an input device for an iPad or iPhone.

Apple’s new 4-inch iOS devices — namely the iPhone 5 and the fifth-generation iPod touch — appear to be suffering from a strange glitch that means they struggle to keep up with rapid touch inputs, particularly when scrolling at a 45-degree angle. The problem, which isn’t present on older iOS device like the iPhone 4S, is demonstrated in the two-minute clip below.