Siri is now an integrated part of iOS 5, and available only on the iPhone 4S, launched on October 4, 2011. Siri is an intelligent software assistant navigator functioning as a personal assistant application for iOS. This application have ability to answer a natural language user interface, make recommendations, and perform actions by delegating requests to a set of web services.
Siri's fun answers also happen to gobble data. Every time you ask Siri to gather information for you be it a forecast, the definition of a word, or the quickest route to the mall the phone streams that data from the network. This data piles up on top of all the apps, songs, and video content you download using your carrier's network, and could potentially push you over your monthly data limits.
To help put this in perspective, Arieso's data shows that on average, an iPhone 4S user downloads five times the amount of data as the average BlackBerry user.But it's not just your wallet that is feeling the strain from the new wave of data-chomping smart phones; carrier networks are also straining to keep up.
AT&T which has been highly criticized for its lack of data network integrity in the past could potentially buckle under the weight of millions of phones using double the data as before, but so far it's been holding fast. Likewise, Verizon and Sprint appear to be handling their iPhone data load without issue aside from that odd hiccup in December but we'll have to wait and see what issues the 4S's data-hogging ways create over the long haul.
Unfortunately, it seems that Siri's intelligent ways can weight heavy on monthly data caps, and network analyst firm Arieso estimates Siri users take up twice the bandwidth of a non-4S iPhone owner.