Well, my C. R. S. is kicking in, so I can't remember that well, but the gist was that it scanned ratings sites. I'm not sure if it was just app stores, or also included things like Amazon.

It looked for products with a lot of ratings and mediocre levels, which indicated a market that wasn't being satisfied.

The middle of the bell curve would be an app that had 10,000 3-star ratings.

This excluded products being "hate-bombed," and ones being "gamed."

It suggested using the list as a starting point for finding poorly-served markets.

It was fairly clever.