Comment Re:Age difference? (Score 2, Informative) 423
What, only 356 books in your LibraryThing collection? Please, I've got 1128 cataloged so far at LibraryThing, and I still have a couple of boxes to go.
Seriously though, LibraryThing was a god send. I couldn't keep track of what I owned. I have multiple copies of a couple of books because of that. Now I have an up-to-date list that I can access from anywhere. Plus it's a great resource for finding new and interesting books.
Another good tool is the MacOS X shareware application Bookpedia. It gives you more information about your own library, but it doesn't allow you to troll other libraries for new book suggestions and reviews. Their iPhone app Pocketpedia is also worth having. It's great for keeping a wish list as you walk around a book store.