I'd argue that the execution is the idea. Otherwise you are left with, with these 'ideas' is a quick summary of a product that could exist with no mention of th

I'd argue that the execution is the idea. Otherwise you are left with, with these 'ideas' is a quick summary of a product that could exist with no mention of the market, how to market it, who to market it to initially and eventually, how to build it, when to build it, strategy, raising money (or not) etc. etc.