The original iPhone came with fantastic multitasking. From the very first demo of the very first iPhone by Steve Jobs in 2007, its ability to fade music out, take a phone call, grab a picture and email it, then return to the phone call, hang up, and fade right back into the music seemed miraculous to the crash-prone competition of the time. Then the App Store and iPad happened, and multitasking took a huge leap forward. Here's everything to know about multitasking on the iPhone and iPad, including our favorite tips, tweaks, and gestures to get you supercharged on the iPad in no time.