Forum Moderators: open
Provide something above and beyond search. Provide links/search/paid listings by integrating these into CONTENT that drives visitors to your site.
Usually you have to think of publishing as capitalizing on your traffic not getting traffic to capitalize on :)
Its the chicken and the egg scenerio..
Does your search provide stock quotes, email, movie listing, discussion groups, business resouces, banking resources, an open index and have a catalog of 2 billion pages?
Can't really compare to yahoo until you find out the market that works best for you