my dad's old ipad 2 is still going like a champ, and I dare say he uses it more than 95% of the people that own an iPad.
He's retired, and he's on that thing morning, noon and night surfing the web, watching videos and listening to music. He falls asleep with it in his bed, and pretty much never has it further than 10ft from him at any given point unless he goes out...
Kind of amazing actually considering he's almost 73.