I have just been accepted into Peerfly (got a lead on my first day ), Max Bounty and Lead Bolt. Just wondering, am I allowed to rotate ads from different networks on the same page. So for instance, lets say I have one area on a page that rotates 4 ads, do they all have to be from the same network i.e. Max Bounty, or can they be mixed i.e. 1 Lead Bolt, 1 Peerfly etc.?