As universities return for autumn, beware, lecturers, of the smartphone-wielding student with video-editing skills.
And, in this age of limited privacy, beware too of your identity subsequently being revealed on Twitter after you have become a YouTube hit.
Exeter University confirmed to Legal Cheek this morning the accuracy of the above tweet.
Professor James Devenney is said to be very popular among students and is believed to have taken the video — which was made last year but somehow escaped the attention of the legal press until now — with his usual good humour.