Venture News - 24 hours of trending links from VCs on Twitter
Goodreads - See what your friends are reading.
Folloh - It brings all the news you want from around the web
LibraryThing - A home for your books.
StoryFeed - Share your stories with the entire world
BookAuthority - BookAuthority collects the most recommended books on business, technology and science - as featured on CNN, Inc and Forbes