4 ms·It uses the existing Instagram user database. No need to get a new username.by mattl 3y agoIt uses the existing Instagram user database. No need to get a new username.markdown 3y agoWhat a shame. The biggest benefit of being an early adopter is reserving a username you've used for years or decades on other platforms.mattl 3y agoYou had that chance when Instagram launched I guess? I missed out but got my domain name instead