What Will Replace Pay-Per-Click Advertising?I predicted months ago that click fraud would cause advertisers to lose faith in pay-per-click advertising, and so it is coming to pass, according to a new study by Outsell that estimates click fraud at $800 million (not so far from the middle of my back-of-the-envelope estimates):The perception of pervasive fraud has prompted many advertisers to change their spending. Many are asking why they should fork over money - significant amounts, in some cases — for phantom shoppers....