Do you remember the presentation of the 35 Years Anniversary FREMO Meeting in Riesa, Germany? If yes, and if you liked it, then the following introductory video may be also of interest.
It explains in short what is the FREMO concept, how works the organization and the modular standards and how the modular meetings are carried out.

To start the video, click over the Play icon below. You can switch to full-screen mode by clicking on bottom right icon in the embedded player.
If you haven’t participated in a modular meeting yet, do it – it is really a lot of fun
See also
35 Years Anniversary FREMO Meeting in Riesa, Germany