After launching QuickTable public beta for about 2 months, we got our first 100 registered users. From amplitude data, our sign up rate is about 20%. We get our sign up users from the following channels:
1, Subreddits including sideproject, dataengineering,dataanalysis,startup.
2, Reddit marketing tool howitzer
3, Medium articles I published
4, Google search
5, Quora
6, Youtube channels
7, twitter