Anything that makes the web feel smaller is good for business. A Social Web browser would be a VC’s wet dream:
Bake-in some open source social features, like #microPub, #ActivityStream, and #RSS. Then smother it with a proprietary layer and ad network.
It would be like AOL for social media— nothing but shopping and free user-generated content.
Best of all, since it’s a browser, you side-step the #AppleTax, so anything we sign up for we’d have to call to cancel. Just like AOL, too. Wow.