Good customer development is filming the trailer and then deciding whether to make the movie. FWIW: Tarantino & Rodriguez's movie _Grindhouse_ included several

Good customer development is filming the trailer and then deciding whether to make the movie. FWIW: Tarantino & Rodriguez's movie _Grindhouse_ included several fake movie trailers. They were so popular that _Machete_ and _Hobo_With_A_Shotgun_ were turned into real movies with good boxoffice returns; more such projects are underway.