I know, that sounds kind of stupid. When I first got the Air, it crashed pretty often, between apps and fewer tabs in Safari and that is only one app open at a given time. Since the last iOS update, I have never seen the crash. I have more than twenty apps open(say 23 apps), many tabs(10) in safari, and many tabs(10) in chrome, all these open and running in so call apple multitask. NO Crash! no crash... I am pretty happy with the Air 
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