Beware DNA promises

The Ontario Genealogical Society weekly newsletter carried an item "Groundbreaking GPS tool finds your ancestors, genealogy, family tree and history." Your alert signals should immediately start ringing. If it sounds too good to be true it probably is!  Delve into the original article "Geographic population structure analysis of worldwide human populations infers their biogeographical origins" published in Nature Communications and you'll read "... populations from island nations (for example, Japan and United Kingdom) .... were most poorly predicted." Maybe you don't have British ancestry and your's is one where they had more success but I doubt that's the case for most OGS members.