This update is pretty great! FTDNA blogged about it here:  https://blog.familytreedna.com/new-feature-myorigins-chromosome-painter-for-family-finder/  and have produced three short videos  explaining how to make use of their work in your own research, how they produced the 90 population groups, and how they made the chromosome painter as accurate as possible. About 20 minutes each, these are well-worth your time if you have a Family Finder kit on Family Tree DNA, and you care at all about admixture, which is looking at possible origins of your ancestral DNA. Example - father At first look, my father's kit is completely boring: 92.5% Western Europe. However, 21 of the 22 chromosomes on top are 100% Western Europe; on chromosome 1, there is a small segment on both chromatids that is identified as Finnish.  Ted Cowan's Chromosome 1 FTDNA ChromoPainter Since my grandfather is 100% Scottish and my grandmother about 100% Swedish (on paper, at least) this is interesting. About half