This discussion about how dominant the NES was in which countries reminds me of a question I've had for a while. Is there hard data on the popularity of each ga

This discussion about how dominant the NES was in which countries reminds me of a question I've had for a while. Is there hard data on the popularity of each game platform (computer or console, home or handheld, etc.), globally or for each country? I think the best way to measure it is by software sales. You could also include hardware and accessories, but that would inflate the share of some platforms because of uses beside gaming (productivity and the Internet on computers, or Blu-ray playing on the PlayStation 3).