A couple of weeks ago I tried out my new lecture "Why you need Family History" at the BYU Family History Library. It went well. We are in a unique position in the industry that we see the end results of the research. Sometimes people want stories worked into genealogy charts, sometimes I just get to be the lucky listener. But through our own experiences, and through the research I have done I came up with this short list as to why people do Family History.
Connectedness/You aren't alone
Healing (Physical and Spiritual)
Working With Nice People
You'll have to catch my lecture sometime--it is filled with lots of great stories that I have gathered from the web and in print. In the meantime, take a look at these places on the web where people have expressed their views on why family history feels good: