While that title sounds alarming, it’s not actually because of any fault in the latest iOS, but more a matter of new services ( like Siri ) causing users to consume more data. And that will be the trend going forward for most smartphone users as vendors up the ante in a tit-for-tat competition to see who can provide the best feature set. The question to ask is, can the cellular providers keep up with the demand? According to reports, they’re already struggling …