I get a nice mail today.

Dear Prof. Maria

I want to thank you so much about the lecture which is about Configuration Management that you uploaded it to the youtube because it helped me so much in my presentation about CM and the feedback from other students was magnificent ,and ofcourse  you are very good lecturer and I get a lot of information for me before other students 😊.
thank you for your time.

Sincerely ,

Omar Mohamed Abdelkawy
Bacholar degree in Electronics and Communiation Engineering  class 2014