We know almost too well how smartphones perform in US market share; what we don't usually see is how happy customers are once the shrink wrap's off. Going by a newly-expanded American Customer Satisfaction Index, it's the iPhone that most scratches the itch at a score of 83. Despite having just been added, Apple was noticeably ahead of a three-way tie between HTC, LG and Nokia at 75. You might not want to look if you're a
