HuskyPup - 3:30 pm on May 1, 2010 (gmt 0)
I feel that AdSense et al classified style of ads will still be the de facto standard however all of them will have to accept that niche publishers deserve greater respect, transparency and revenue than many are currently getting.
Their failure to understand and accept this could easily leave the market open to a new and more focussed advertising network. Realistically just how difficult would it be for an international trade widget organisation to set-up a similar scheme?
IMHO quite easy...the model has now been proven!