According to Business Insider, the world's leading professional video game player made a whopping $519,000 from participating in numerous gaming tournaments. Professional gaming has become akin to professional poker. People who are highly skilled at gaming can enter competitions and form teams to compete. Some of these competitions award millions of dollars to the winning team, which the players then get to split.
Now, to be honest, this isn't something I would ever want to pursue personally, and it's not something I'd want my kids to pursue, but I think it's absolutely fascinating that technology has enabled these types of careers to exist. I doubt anyone reading this will want to quit their jobs and go out and learn how to be the best video game player in the world, but it does make you think about what unique skill you might have that you can transform into a lucrative enterprise.