OpenBazaar website :
https://openbazaar.org/ and blog :
https://blog.openbazaar.org/As you can see the website says it's going to launch soon and their is the changelog and the updates on their blog , also from the last time I was reading on Cointelegraph or Coindesk (dont remember which one) , OpenBazaar should open on November , which means this month .
EDIT : Yes it's Cointelegraph and I posted about it on July :
https://bitcointalk.org/index.php?topic=1133698.0