“Thrash,” in the context of a computer, has nothing to do with heavy metal. It’s when a hard drive becomes overworked from moving information between the device’s memory and virtual memory, meaning it could actually slow your phone down to be constantly closing apps for no reason.

I double-checked that Lockheimer was suggesting that Android owners just leave apps open (assuming they hadn’t crashed):

So there it is. Unless an app is actively misbehaving, the head of Android suggests just leaving them all be.

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