didn't he say that 1.3M play online?
"9:44: Hirai talks PSN. 17 million registered accounts all over the world. 2.1 million new accounts in the last month. Talks about LittleBigPlanet as great example of Sony's PSN flexibility in motion. Says 1.3 million people playing LBP. 300,000 levels online Brief demo."
Based on his talk of the PSN and new accounts, the context seemed to be online numbers.