Ovie Smarterware tracks your leftovers
 
Ovie Smarterware tracks your leftovers

Leftovers often sit in the refrigerator until they’re wilted and wasted. Ovie Smarterware, from a company called Wide Afternoon, was created to help reduce food waste and was on display at CES 2019. (Heidi Knapp Rinella/Las Vegas Review-Journal)