&gt;&gt; The first thing you learn as soon as you release a product into real world is that people say one thing but do another--so many people say they love something but they never use it. &gt;&gt; @galostoca above<p>That right there, is the whole truth. Not only do they not use it, they don&#x27;t buy it to begin with. What sells and what people like are not the same as what they need or think they need.<p>Case in point. I developed a process, software and hardware, to take an ordinary photo and turn it into a 3D carving in the early 2000s. There were CNC programs that could do it with a lot of human touch-up, mesh manipulation, and machine coding, but mine went pretty seamlessly from photo to &#x27;send it to the machine&#x27;.<p>Everybody, everybody is not just family and friends, loved it when they saw the photo and sample maple hardwood output side-by-side. People made statements like, &#x27;I would pay an arm and a leg to have a door carved for my house&#x27;.<p>I brought the carvings to wooden boat shows with my and my partner&#x27;s handmade seagoing kayaks, and people flocked around our table&#x2F;booth. &#x27;Can I get this on the kayak too?&#x27; Not one sale! The only money ever made by it was doing carvings on wooden urns for a local animal or pet cemetery. In similar fashion, I had an offer from a company that did bronze bas relief plaques for tombstones for a one-time purchase of my software! Needless to say, this didn&#x27;t help with my emotional state, Stephen King references aside.