On Fri, 12 Aug 2011 11:15:56 +0200, Steve Hayes <hayesstw@telkomsa.net> wrote: >My advice to those who are about to begin their family history and want to >store their data in an online system like Ancestry.com, MyHeritage.com, >Geni.com and several others: > >Don't. > >Online family trees can really mess up your data, and frequently do. I'm not sure if I understand this. Are you saying that someone else can access my data and change it?