I'd say it's "besides ads" just like Search is. It's a destination site that also serves ads, instead of serving ads on other people's destination sites. One co

I'd say it's "besides ads" just like Search is. It's a destination site that also serves ads, instead of serving ads on other people's destination sites. One could imagine a world where Search and Youtube were separate entities, both using Ads for income. Ads itself is more of a marketplace of eyeballs.