In medieval days, a scourge known as the black plague ravaged Europe, savaging millions of people. The cause was a mystery at that time.
This week, a new scourge plagued millions of Blackberry users all over the world. Their email communications device is as dead as a doornail. The cause is a mystery to the users.
Sure, RIM explains servers, outages and throttles are responsible. But at the bottom of this, as history analogously repeats itself, the problem may turn out to be a rat.