Never build something no body wants to use

I guess this is a Show HN? Regardless, on mobile this looks downright broken.

Broken.

All I get is a page telling me to sign in with Facebook, Google, etc. That's not gonna happen.

Maybe that's the entire point of the page, and the HN post?

I have no idea what it does, no explanation, nothing.

Enables entrepreneurs to quickly and easily validate their startup idea and obtain an initial following.