You can't start a product simply by building it. You have to know why you're building it, and you might go down the wrong rabbit hole, waste time, and confuse things. Spending long afternoons with a sketchbook or talking through your ideas with other people can save a year in software development later on.
Innovation happens best when people of different backgrounds come together to solve the world's toughest challenges and, in the process, can create new jobs and opportunities. I'm hopeful that updated immigration policies will encourage entrepreneurs from around the world to help tackle these opportunities in the U.S.