Even if you don't plan on going into programming or gaming, this is great information to put in the tech toolbox part of your brain. Different programming languages will affect the way you use the internet and perhaps influence the way you approach your future job.
Go to these links for more information:
1. What is HTML5? How does it differ from a single programming language?
2. Is HTML5 capable of replacing Adobe Flash as the ultimate game or programming tool? If yes, why do you think so? If not, what do you think might?
3. Why is this useful knowledge?