Goodreads - See what your friends are reading.
The Google Cemetery - A list of dead Google products and why they died
LibraryThing - A home for your books.
Startup Graveyard - History shouldn't have to repeat itself
BookAuthority - BookAuthority collects the most recommended books on business, technology and science - as featured on CNN, Inc and Forbes
Failory - Failory is a community visited by startup founders every day to read articles about entrepreneurship, interviews with failed and successful founders, insightful postmortems and our monthly reports.