Fat Lama - Borrow stuff you need. Lend stuff you don't
BAGOBAGO Backpack Chair - Sit down anywhere on your backpack
Keeple - Share your stuff with friends for free or $$
Tinipak - We live now on Kickstarter.
Peerby - Borrow the things you need from people in your neigborhood!
Herman Miller Aeron - The iconic office chair, remastered