ppc sure is going downhill fast. Greed is getting worse than evil online.
Not all PPC, just second and third grade PPC services like 7search. They are only fraud, fraud, and... fraud again! 100% artificial and/or incentivized traffic! Ads are distributed through XML feeds to fraudster networks generating massive amount of fraudulent clicks. Stay away. Just ask yourself, who on Earth would perform a search on 7search (and the like) if they need to find something on the Web?! My answer is - nobody that is worth advertising to!