And then the age of wireless command took over with the arrival of infrared (IR) remote controls and Bluetooth, which freed people from the limitations of wired controls.

And then finally, the age of completely hands-free control of connected devices with voice activation arrived. People are now able to voice a command for a connected TV to change channel, to launch a web browser, and to search for information online. That’s cool and all, until it starts eavesdropping on your conversations with other people within its earshot.