More on BlackBerry:

Outages could damage BlackBerry's icon status: Two major service interruptions occur in less than a year

Cause of BlackBerry outage still unknown: Disruption left subscribers in U.S., Canada without service on Monday

The previous BlackBerry outages have prompted angry backlashes against RIM because of the company's lengthy silences about what caused them and the cryptic and jargon-laden explanations that eventually emerge.

RIM waited two days after the April outage before telling customers what happened.

The last major failures were nearly two years before that. The company angered users by waiting hours before confirming the problem, then issuing a confusing technological description of what happened.

'BlackBerry blackouts' aim for balance: Canadian government ministry urges employees to limit use of devices

(This last one simply says that one Canadian ministry thinks BlackBerry users should "get a life.")

John