I am very optimistic about the future of tech, at least in the domains where software-driven innovation is allowed. It’s been a decade since I wrote my essay Software Eats The World, and the case I made in that essay is even more true today.
Don’t follow your passion. Seriously. Don’t follow your passion. Your passion is likely more dumb and useless than anything else. Your passion should be your hobby, not your work. Do it in your spare time.
Instead, at work, seek to contribute. Find the hottest, most vibrant part of the economy you can and figure out how you can contribute best and most. Make yourself of value to the people around you, to your customers and coworkers, and try to increase that value every day.