The next time you visit your local carrier asking for an iPhone, don't freak-out too much if the salesperson doesn't respond right away - it could be that loud 'ca-ching!' sound.
Nearly 60 percent of iPhone owners pay more than $100 per month to carriers - 10 percent paying more than $200 each month, according to a new survey released Wednesday.
By comparison, 55 percent of Android smartphone owners, 40 percent of BlackBerry owners and 56 percent of Windows Phone users have smartphone bills more than $100 per month, according to Consumer Intelligence Research Partners...