Multitasking sure has come a long way since we first laid our paws on Google's Android software.

I mean, think about it: Back in the early days of Android, multitasking basically just meant being able to switch quickly between apps, using the Overview (then known as Recent Apps) button that was built into the operating system. It seems almost silly now to think of that as a feature, given how commonplace and basic of a concept it is in 2019, but put yourself back in your brightly colored 2009-era shoes — when smartphone operating systems were simple and the iPhone's option-free interface was the de facto standard — and it's easy to remember how powerful and transformative such a possibility was at the time.

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