Buttons

Researchers from Columbia University and Snap, the parent company of Snapchat, have come up with an ingenious method of smartphone control. It lets you add dials and switches to a handset, without the need for any connecting wires or Bluetooth pairing.

Reminder and tracking apps are all well and good, but it can still be easy to forget or ignore them. Droplet is a standalone wireless button that is designed to bring reminders and activity tracking into the physical world.