https://news.bitcoin.com/openbazaar-darknet-markets-will-remain/
"Many believe a new day is dawning with the launch of the decentralized market OpenBazaar. However, it still doesn't cut the mustard when it comes to those dealing with black market goods. In fact darknet markets (DNM) are stronger than ever and have continued the legacy of the original Silk Road with much success. Here's a look at some of the vendor platforms currently ruling the roost when it comes to the online shadow economy."
OB is literally unusable for dark markets, unless they start to support TOR.