A lot of people around here do "invest" in this type of tech by working for companies producing that tech. For the average person, you can't throw your money at a random startup.

And generally, its not exactly a safe bet either. People who do throw their money at startups tend to also have lots of other very safe, diversified investments to balance out the risk of larger singular investments on specific bets/companies/tech/ideas.

For example, the author is advocating and claims to invest in your basic Vanguard Retirement Target fund, but he's also an accredited investor who also does just what you suggest