Using Ancestry.com Trees is a great deal more effective than those old-fashioned mailing lists and message board postings for collaborating with other researchers.27 April 20112:00 PM Eastern (U.S.)1:00 PM Central12:00 PM Mountain11:00 AM Pacific7:00 PM GMTThis webinar is free, but attendance is limited to the first 100 people who log in on the 27th for the event.