How will a user pay for something they buy through the app? Must paymets be made in STEEM/SBD? Can they pay in a fiat currency? If so, are you converting the fiat payment into STEEM? How do you deal with tax liabilities revolving around crypto/FIAT interfaces? If users can not pay in fiat currencies, and must pay instead only in STEEM/SBD, what plans do you have to grow a sizeable userbase? How will you overcome the hurdle of adoption of a new form of currency for a payment on an unknown app?

UGC to commerce platform allowing creators to share their product experiences and consumers to purchase products through UGC from the sites they normally would purchase from.

OR, your intention is only to be a "review" platform, where users can link to the product?