I used to work at a place that tested their software on a >5 year old POS computer, with a <1mbps Internet connection. If their software ran on that computer, i

I used to work at a place that tested their software on a >5 year old POS computer, with a <1mbps Internet connection. If their software ran on that computer, it would run on their user's computers. I wish more people would test like this. Your webapp runs great on a laptop in the middle of SF, but not on my crappy phone in the middle of Nowheres-ville.