BlackBerry users cut off for fourth day
Research In Motion, the Canadian company that makes the phones, told some of its corporate clients that it may not clear the huge backlog of messages until Thursday on the US East Coast.
messaging
Avrage user adds 2.5 apps to smartphone per month
Mobile apps are responsible for 667 minutes of use per user each month, almost as much as messaging (671 minutes), and far more than voice (531 minutes) and web browsing (422 minutes).
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