Those kits are a waste of time and money. They only trck mother daughter and father son. Mother son and father daughter can't be traced as yet.
These tests are becoming increasingly popular. People are finding some surprises in their DNA...
Maybe it will put an end to the labeling the gov't does now under Affirmative Action, on the Census, etc., as people aren't always what they look like they are... Maybe that fact will eventually sink-in, and the labels will be dropped.