Social aggregator

Allows you to build a customised feed of made up of content your friends on other collaborative sites have shared.

Spokeo is a friend finder/tracker that automatically brings you friends' updates across the Web.

Secondbrain is a social media aggregator and your personal online content library. Manage all your web content and bookmarks in one place.

MyBlogLog enables you to take advantage of your existing presence on the Web and ties it into communities of like-minded readers and authors.

Profilactic.com is an online identity aggregator that pulls together all of the profiles and content that you create at social sites.