The number of mobile phone service subscriptions is continuing to grow at a rate of 2 million every day, and has just eclipsed a mind-blowing 5 billion.
There is a huge discrepancy in mobile data usage among smartphone owners, as millions of people use less than 1 MB per month while others gobble it up to no end.
Someone had to be the first, and AT&T decided that it would be the one to take the plunge - the carrier has announced that it will completely eliminate unlimited data service from new mobile subscription plans.