Once you find the results, you can compare them to others that pop up. For my mtDNA results, there don't seem to be any close matches for 'Garman' (my GGG-Grandmother):
Dad's yDNA was found by searching for his markers. There are a few close matches:
Then, there's his mtDNA results:
So, I'm not sure that I really got anything out of this - but it's nice to see something finally posted.