Make sure you pick something that is really passionate to you. The idea of getting rich or being famous or having the title means nothing. You cannot, cannot have a successful start up based on your vision and ideas. So let's take a deep look in the mirror. Are you a developer? Do you? And er, if you're not, pause for a second and then just say, what if i was? What if you were one or two of those things? Then there's different types of industrial design: product manager, u x i designer, or just a straight up designer. There's grafting too - learning how to work with other people online can be very difficult but it