With many high-profile developers and commentators reiterating that iOS handles multitasking fine just by itself, and some Apple Geniuses seemingly adamant that running apps should be closed manually in order to free up memory, one developer has been particularly outspoken. Fraser Speirs has already written a lengthy blog post on the subject, but now he has released an even longer video explaining just how iOS handles memory usage when multitasking.

The upshot? It turns out that iOS is actually pretty darned clever…

Through the 16-minute video, Speirs shows apps running on an iPad and in various different states, ranging from active to inactive and everywhere in-between.

iOS Multitasking from Fraser Speirs on Vimeo.