ABC/Good Morning America has an article about people using DNA kits to trace African-American ancestry.
….companies are selling DNA-based genealogy tests which claim to pinpoint where a client’s ancestors came from in Africa. Several celebrities have taken the tests, including talk show host Oprah Winfrey, director Spike Lee, actor Isaiah Washington and now ABC News’ Ron Claiborne.
Some fairly big coverage for genealogy (or at least the DNA aspect of it).