Joe Budano, chief executive of San Diego-based Indyme which makes buttons to beckon sales associates to specific aisles is interviewed:

>His company also has developed technology — the Freedom Case, they call it — that allows shoppers to open cases themselves using personal information such as their cellphone number or by scanning their face. More than 40 retailers are testing the Freedom Case in stores, Budano said, including a national chain he declined to name.