My colleagues Brian Grow and Ben Elgin take a fascinating dive into click fraud, concluding:
A BusinessWeek investigation has revealed a thriving click-fraud underground populated by swarms of small-time players, making detection difficult. "Paid to read" rings with hundreds or thousands of members each, all of them pressing PC mice over and over in living rooms and dens around the world. In some cases, "clickbot" software generates page hits automatically and anonymously. Participants from Kentucky to China speak of making from $25 to several thousand dollars a month apiece, cash they wouldn't receive if Google and Yahoo were as successful at blocking fraud as they claim.
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