fxa5209 on 03 August 2009
I would say that numbers are sold and not shipped. This is confirmed by GameIndustry.biz which is not a blog and one of the reliable sources on the web. Here is the link:
http://www.gamesindustry.biz/articles/playstation-3-install-base-reaches-23-million-worldwide
VGC needs to do some adjustment and soon. It also mentions that software sales includes PSN sales.
