I agree with you - critical mass is required in B2C market. There is an excellent book called Viral Loop that dissects past companies that were able to do this

I agree with you - critical mass is required in B2C market. There is an excellent book called Viral Loop that dissects past companies that were able to do this correctly in the B2C market. Also Mark Bao talks about this threewords.me has a double viral loop - which is fantastic that he thought of this - I wish I had thought and executed this idea ;)