Yes, or Kickstarter. The point is that to actually validate a product idea, potential customers should actually pay, or show a real interest in paying, for tha

Yes, or Kickstarter. The point is that to actually validate a product idea, potential customers should actually pay, or show a real interest in paying, for that product. Otherwise, it's not validated. Disclaimer: never tried, but it's a typical advice I read in this kind of posts.