A few sources... I wouldn't put too much faith in the details, but in terms of rough magnitude they're probably pretty accurate. Gartner says PC sales in 2011

A few sources... I wouldn't put too much faith in the details, but in terms of rough magnitude they're probably pretty accurate. Gartner says PC sales in 2011 will be <400 million. I'm pretty sure that's mostly Windows: http://online.wsj.com/article/SB10001424052748703300904576178381437662352.html http://online.wsj.com/article/SB1000142405274870330090457617... iPad sales looking like 40 million (or more) for 2011: http://blogs.computerworld.com/18550/apple_2011_ipad_sales_hit_40_million http://blogs.computerworld.com/18550/apple_2011_ipad_sales_h... Smartphone sales were 100 million in Q2 alone; Windows share of that was 1.6% (!): http://www.computerworld.com/s/article/9219112/Gartner_Smartphones_boom_overall_mobile_sales_drop http://www.computerworld.com/s/article/9219112/Gartner_Smart...