People will find out that they know a lot more about their family history than they ever realized. So that's the first part, to record all of that. Then they need to identify all of their living relatives, and interview them. Technology is a valuable tool for creating your family tree. On the internet, alone, there are some 65-thousand websites for searching genealogy.
Libraries are another source for looking for ancestral documents.
So are census, and courthouse records. A panel of markers, that are highly informative for determining African ancestry. C-D rom data bases are another way to uncover lost history. Burroughs has helped develop one that allows searches without family surnames. The Mormon Church extracted all the names from the Freedman's Savings and Trust Company, which was a banking institution during Reconstruction, it started in 1865 and went up to 1874.