Aeolus451 said:
Like I said, I haven't seen any mention of those in any game related media, blogs, forums, gaming magazines, ect. You sound a bit like a disgruntled former employee with this site with your repeated criticisms of it. You barely post in the COMG pre order thread. |
Take a look at this regarding GfK: http://abload.de/img/npdmarch2015finalt3yqu.png
Here's an example of Microsoft citing NPD, GfK, and IDG for their figures:

There's an Aquamarine post in GAF somewhere where she explains how Sony gets its PS4 sold-through numbers which involves NPD, GfK, IHS, IDG, and Media Create/Famitsu. However, I don't even know where to look and I wish I bookmarked it for reference...







