[yodon]

It always boggles my mind when someone goes through all the effort required to build a product and then launches it via a landing page that has no screenshot and no explanation of what it does.

Anyone who visits your site is already busy and has a million other things to do and sites to visit. If you the deeply passionate creator of the app can't be bothered to take the time to show what your own product does, your visitors are not going to burn their own time trying to figure it out.