Designers face a variety of challenges when selecting the most appropriate type of buttons or controls for basic user interfaces. Today’s active gesture sensor components have application benefits that outweigh the burdens of implementation and adoption, benefiting both manufacturers and users alike. For product designers, today’s gesture sensors simplify system design and increase user control options. For users, these sensors provide a variety of benefits to a number of applications. The goal is to painlessly add new functions or open new possibilities in user interfaces in ways that users find intuitive and simple to adopt, and these active gesture sensors strike the right balance.