Google adwords is undoubtedly the most impressive and effective PPC system. I've been using Yahoo SM, MS Adcenter, MIVA( they are busted? Registration doesn't work any more) and found that Google is the best in terms of use and reporting. Yahoo sucks a lot when it comes to use followed by MSN. I didn't try any other systems. What are your opinion on it?
Yahoo and MSN suck, but they should not be eliminated since their CPA is usually lower than google for most keywords. They just lack volume
robertpriolo I agree about MSN, but you are completely wrong about Yahoo. It's cheaper, traffic is more targeted, and basically Yahoo(Overture) was the first PPC system, so Adwords is based on it.
actually since Yahoo converted to the panama system, yahoo is more of mirror of adwords now. Prior to panama they were their own unique system.
Yes, Adwords is better, but you cannot say that Yahoo sucks....I am not talking about MSN, just forget about that crap, but Yahoo is ok