HADI PARTOVI: Hello, world. My name is Hadi Partovi. I run an organization called code.org. We're best known for our hour of code campaign as something we launched for the first time last year in 2013, and the last three months the hour of code has already reached 30 million students, showing the computer science is something that is applicable and something that anybody can learn. It's useful whether you want to become a doctor, a lawyer, an astronaut, or even the president. And those of you who are learning it CS50 today, you're learning things like how to write a four loop, or a peat loop, an if-then statement, or how to program your own functions. These are concepts that anybody can learn, and are fundamental to how all of computing around us works. 

I myself was a CS50 TF when I first went to Harvard, so it's exciting for me to record this video for you all. So enjoy yourselves. This is CS50.