Does Sony have a marketing deal with Gamestop?

[Protendo]

d21lewis said:

Protendo said:

Microsoft pays for it's positions and space in the store. It works that way with most retailers.

Can you give me a link?  

http://bizshifts-trends.com/2014/05/18/war-retail-shelf-space-battle-shelf-placement-fight-low-slotting-fees-position-mindshare/

You can read about it there. I thought this was common knowledge.