Explanatory videos are very popular nowadays. As an add on to the lectures, the videos can be used for example to present individual topics in summary form or to explain content using examples. There are almost no limits to creativity in the field of audio and graphics. "Statistik Grundlagen" is a channel that is growing from week to week and is very well received by students. In addition to the regular lecture videos in OpenCast, there is now also a public YouTube channel.