As part of a class-action settlement, Yahoo plans to create a new ad distribution option that will give advertisers more control over where ads purchased through Yahoo appear.
Survey finds that 27 percent of respondents say they've already slowed or stopped their pay-per-click advertising.
Suit claims Yahoo is charging for "premium" ads on sites that show spyware ads and sites that appear when surfers misspell URLs.
Settlement follows licensing by Google, others in the lucrative keyword search ad market.
Market-Vantage's Hans Riemer finds that while pay-per-click may be the current rage, there's also a threat lurking on the horizon.
A woman allegedly signs up for a Google Blogspot account and the company offers ads. This leads to her suggesting in a lawsuit that she has been imprisoned by the company.
A relationship with a startup sours when 80 percent of pay-per-click ad traffic turns out to be costly, invalid traffic. The issue may not be isolated. Is Facebook doing enough to solve the problem?
Innovative design concept uses ceiling-mounted e-paper displays to give underground passengers a view of life above that dark tunnel they're stuck in. And maybe flash them a few ads along the way.
According to the security firm, the makers of the Flashback malware made $14,000 from click fraud last month, but can't collect on it.