In less than 3 years there will only be affiliate companies (what we now refer to as networks) to run offers, and the amount of resources needed to break in as an "affiliate" will be too great for most. In less than 5-10 years, the affiliate companies will also be obsolete as publishers and advertisers use a common marketplace for efficiency and maximum ROI. Both of these innovations will come from current players with the resources to make it happen. Stack now while you can because massive consolidation is coming...