See that woman there? She’s high on endorphins, after doing a 15-minute “bootylicious” work-out. For $2, you could be showing off your midriff—yes you!—after some of FITNESS magazine‘s iPhone app ...

You can do iPhone split screen multitask to use two apps on screen at once, without a jailbreak. Maybe you want to scroll your Instagram feed at the same time as playing a YouTube video. The iPad ...