See your family through the generations on a world map - where they lived plus birth, death, burial locations and immigration points
What can you use this for?
Map based genealogy research
Verify DNA ethnicity estimates: If you've done a genealogy DNA test with any of the major providers, you may have seen they provide an Ethnicity Estimate on a map. With Map My Cousins - you can compare this against your family tree research to see how accurate the DNA Ethnicity Estimate is.
Educational software: younger generations can have a greater interest in world geography, languages and more since it relates to something they can connect with (their family).