Apps that email and must open the emailed link in app? Sucks when phone is set to block links opening apps, or the address is not configured on that phone.
Yes. Do a "Southpark" Eric Cartman. Make 5 seasons of Firefly and let know one see it.
Rumors will fly. Anticipation will build.
Lets a small numer of people see parts. Allow the rich to bribe me for access. Pay for other projects with the money. Charge enough that people only dpeak glowingly about it.
Most people are bad at religion (don't know what their holy book or profits said). Some scientists are bad at science (fake papers).