Here is an article that is not about any of the "normal" topics of this newsletter: genealogy, history, current affairs, DNA, and related topics. However, I suspect mzny computer users will be interested in this information:

There are some major differences between JPEGs, GIFs, PNGs, and other image file types. Nolen Jonker has written an easy-to-read article that explains all the common file types and published the information in the makeuseof web site at: https://www.makeuseof.com/tag/jpeg-gif-png-image-filetypes-explained-tested/.