I fail to see why, collectively, the market would not manage to extract at least 5 USD per user per year on average through blockchain related services. (ccinews.net)
A dollar or two per user per year, not bad, not bad at all. (onlinedatingpost.com)
With DfB, businesses pay $ 15 per user per month, or $ 150 per user per year for unlimited storage and extra features such as better security and admin controls. (businessinsider.com)