I wondering why is yahoo not catching the market and letting it go in google basket. I think yahoo has got in habit of loosing battle. Nowdays people dont even get traic from yahoo.
I get more traffic from yahoo than I do from google on some of my sites, and then more from google on others.
What exactly do you mean? What popular ppc search engines are there? There's Google, Yahoo, MSN, AOL (Google Results), Ask (Google + Ask), and those engines make up nearly 95% of all searches online.