I finally got around to looking at their site and have come to the conclusion that their offering is not likely to be user friendly and this will inhibit adoption.
Some basic questions before I pass final judgement:
1) Who hosts the listings, in particular the images.
2) How are listings indexed / sorted / filtered? Is it a DHT?
3) How do they plan to fund long term growth?
4) How is auction status updated? Does it support auctions or just craigslist style ads?
Last I heard/tested (2 weeks ago):
1) Each node hosts its own listings/images
- To sell something you have to run your own node
2) They were trying to figure out how they would implement searching
3) In late August they said they don't have a funding plan but will think of one
4) Auctions are not supported. It's currently more of a store-style listing service