Genetic genealogy hits the big time

No question about it, genetic genealogy — the hobby of using genetic tests to trace your ancestry and, in some cases, to locate previously unknown relatives — is hot these days. Today, of course, brought the news that Ancestry.com, a genealogy Web site that lets users construct family trees and pore over digitized versions of old census records or ship-passenger manifests, is launching a DNA Ancestry service as well. (Matt covered that in his story this morning over at VentureBeat proper.)