RIM Loses 1 Million BB Users (in the US)
BlackBerry-maker RIM lost more than 1 million users in the US in the three months to May, as Google's Android platform cemented its lead as the most-used smartphone platform there and Apple gained more than 3 million users, according to new statistics from market research company comScore
RIM loses 1m BlackBerry users in US while Android and Apple boom | Technology | guardian.co.uk
That's quite a bit. I'm not sure if this is known or not but I surf here regularly and I have never heard this.