"If you have a choice of spending a million dollars on getting 250, 000 new customers, or a million dollars on serving the ones you already have, better, that's a difficult value proposition, " Cylink's Crowell said, suggesting that most companies would take the additional customers.

CNN: Security experts say hackers have the edge

" The second is the creation of Ms. Cash's daughter, Carrie Crowell, whose cake is not as "Southern" in style as Grandma Carrie's, but, according to Ms. Cash, is "rich and light and also really sweet, in the best way.

WSJ: The Connoisseur's Coconut Cake

"It's about making science useful, " says Mark Crowell, executive director of University of Virginia innovation in Charlottesville.

BBC: Protecting that great idea with a patent