what they are calling "extraordinary" growth for the Steam service during 2009. Here's a bit:
During the last calendar year the platform surpassed 25 million active accounts, up 25% from the prior year. Of the 25 million accounts, over 10 million of those have profiles in the Steam Community.
In addition to the millions of new accounts created during the year, the peak number of concurrent users eclipsed the 2.5 million mark during the month of December, pushing Steam's average monthly player minutes to more than 13 billion.
Meanwhile, Steam now offers over 1,000 games from over 100 developers and publishers around the world. Unit sales for 2009 increased by more than 205%, marking the fifth straight year the platform has realized over 100% year-over-year growth in unit sales.