"New data from ComScore shows that RIMM for the three months through August had 37.6% of U.S. smart phone subscribers, down from 41.7% three months earlier. Over the same period, Android’s shares of the market increased to 19.6% from 13%, while Microsoft’s share fell to 10.8%, from 13.2%. Apple (AAPL) had 24.2% share in the latest period, down a fraction from 24.4%. Palm (HPQ) had 4.6% share of the installed base, down from 4.8%."