Pace of change in brownie mix or blueberry muffin mix is not quite as high as tech .

FORBES: Connect

Then Harriet's Mercantile, which sells Granny Opal's Blueberry Muffin Mix (Granny Opal being Mr. Gettle's 78-year-old grandmother) and which has a seed museum upstairs.

WSJ: A Homestead Sprouts in the Ozarks