1. Make some thing that work in very limited of amount of real world cases
2. Deploy it somewhere where it won't encounter things it won't handle.
3. Market the shit out of the above fact and how well it work there.
4. Let the naive population who have a tendency to take one look, and imagine how it will automatically progress to some arbitrary influx point.
5. Get a lot of funding from people in point 4 and feed it to point 3, and keep going.