When you have a million users adding every day .. you won't have time to scale .. much less build anything ..

Late is good .. almost everything that comes late ( in tech) is more successful ( not necessarily good)

- iPhone to Blackberry

- Chrome to rest of the browsers

- Bitcoin to USD

- Google search to Yahoo and excite

- Smartphone to PC

- Linux to windows

The reason is simple - tech gets better - tech leaders evolve ..

So ..