I think an online advertising "subprime crisis" is somewhat likely. In an article of my own I phrase it differently- online advertising as a "market for lemons

I think an online advertising "subprime crisis" is somewhat likely. In an article of my own I phrase it differently- online advertising as a "market for lemons" http://www.win-vector.com/blog/2008/05/is-search-advertising-a-market-for-lemons/ http://www.win-vector.com/blog/2008/05/is-search-advertising... .