You have to admire his Chutzpah.
He pisses away about 3/4 million dollars, having fun, traveling around the world.
Goes into hiding and sends no updates for years.
Ignores refund requests for a couple years.
(A volunteer collects and forwards the requests where they disappear into a black hole.)
Removes the radio from the design so we are left with little more than a mini Kindle with a monochrome screen.
The "survey" link only gathers name and e-mail address, no questions for meaningful feedback.
When you respond, you don't get the update.
When he finally does emerge, after hiding for a couple years, he talks about getting more investors to fund the next approach.