Amazon seems to go to lengths to make the Kindle experience a special one.
Afaik, this is the only product I've bought from them that's triggered an invoice separate from the receipt and ship confirmation. And it's worded to make you feel like you've just joined a special club. Well done.
Photojojo ran the 1st-ever contest on Instagram yesterday. One lucky person got any item of her choice from the Photojojo Store!
If you haven't jumped on the bandwagon already, Instagram is a rad new iPhone app for sharing photos. We wrote up some tips on getting started: content.photojojo.com/reviews/instagram/
(And if you're a user, I'm superamit on Instagram.)