That assumes the same group of people will be the early adopters for everything, from recipes, to gardening tools, to what video card to get. If your peers don'

That assumes the same group of people will be the early adopters for everything, from recipes, to gardening tools, to what video card to get. If your peers don't happen to be knowledgeable about what you're seeking, then you're SOL. Your best bet ends up being to simply include everybody, which improves your chances of finding an expert opinion, regardless of the obscurity of the query.