I have been training corporates in Mobile Marketing for over 2 years now. I conduct online sessions for eMDP programmes of IIM Kozhikode and MICA, Ahmedabad.
You can access the recording of one such session, titled, 'Impact of Mobile on Business' from here - https://drive.google.com/file/d/1gHtZn22-5uW5--dW3oUe2QK5sC68bItZ/view?usp=sharing
I have always been rated 4.78 and above out of 5 by the participants in these sessions.