I find it interesting almost all of the big content sites have AdSense/Overture/Kanoodle/AdBrite links on them. Wouldn't it be more profitable to sell direct advertising to major advertisers? If I...

I haven't been involved with Internet advertising since the mid nineties. I'm a little ignorant on the ad business these days, but I know things have 'evolved' since then. I know most sites, like...