Out of these 4 categories, marketplaces is the one that I think has the most potential for a breakaway change. Micro-payments, micro-incentives and any kind of a scaling down of transactions is something I'm not exactly sure about. Maybe there's some cool stuff here, but I would be surprised. Marketplaces though are a different story. Marketplaces have been developing into giants since the internet began and the fina…
what you said and decentralized marketplace could emerge with bitcoin, where marketplace works like a blockchain explorer. Craigslist + bitcoin = Alibaba