What really matters is how the idea is executed. That's what makes the difference. Things like your brand, your marketing, the attention you pay your customers, and crucially - the passion you have for the idea - are what make your proposition unique. Success is built on people, not products or patents.
Musk's latest fixation - and the subject of an upcoming announcement on the 12th of August - is what he has dubbed the Hyperloop. Capable of travelling at 800 MPH and covering the distance between Los Angeles to San Francisco in half an hour, most are speculating that the design will be powered by solar energy.