This pebble-shaped device is called Dojo and it promises to protect you from potential hacking threats. Dojo add an extra layer of security for connected devices within its range. It learns devices’ connectivity behaviors and if it recognizes any changes or a strange IP address trying to connect within your network it starts flashing a light and notifies user via a smartphone app. The system of notification is just like chat-based as your can see in images, Dojo talks to you.

Available at for $99