Here’s an oddity! Julian Oliver, a native of New Zealand, has taken an HP Laserjet 1320 and squeezed a Raspberry Pi 3 and a BladeRF x40 software-defined radio inside. He’s then written the necessary software for it to identify nearby mobile phones and send them SMS messages and capture the IMEI numbers. The printer even still works!  Read more about this slightly creepy, intrusive project over at The Register.