What lies in the roots of your family tree? The online genealogy industry is booming, as evidenced by Ancestry.com's success.
What lies in the roots of your family tree? The online genealogy industry is booming, as evidenced by Ancestry.com's success. - 

Ancestry.com -- one of the most popular online family tree websites -- announced that it will buy rival website Archives.com for around $100 million.

How did the world of online genealogy become such big business?

Here to talk with us in today's Mid-day Extra is Diane Haddad, managing editor at Family Tree Magazine.

Follow Jeremy Hobson at @jeremyhobson