Music production teacher at YouTube. Anything related to music, apps or hardware is more than welcome to me!
As a graduation student in Computer Science, anything related to technology and harware are strong candidates for review. Also, games are a good way of getting not only a review, but a full gameplay.
Last but not least, being a youth isn't easy if you don't have a diet meant for you. And I'm not saying that you gotta eat healthy. I'm saying you gotta eat whatever makes your day better. Food reviews and advertising are more than welcome when it comes to that.