CS50x Tehran on Instagram‎: "Professor David J. Malan’s message from Harvard to CS50x Tehran! This is the second time Professor Malan has personally sent CS50x Tehran a welcome video. Without a doubt, this attention from Harvard’s CS50 is the direct result of your kind support. We’re grateful for your enthusiasm for in-class participation and submitting your weekly problem sets, and hope that by keeping this keen spirit, we’ll be able to break world records for Iran’s biggest programming course.