We have 60,000 items on Google Base. The margins are extremely slim and having tried Adwords and various shopping engines, we find that pretty much all the margin is eaten up by their CPC. In a bidding war, the idiots with fond hopes or the big guys buying presence will force us out totally.
So we increase prices to cover the Google fee (and possibly become uncompetitive), or we drop Google and go to Bing (but remember Bing is owned by the previous Great Satan we all loved to hate).
This is a golden opportunity for anyone with the money to establish a products-only free open source search engine.
I am wondering is searchers will realize that they are no longer seeing unbiased product results, or if they will ignorantly accept the mallification of the internet.