Video Facebook tests ‘Tether-Tenna’ to beam down the internet from helicopters by Alan Boyle on April 19, 2017June 30, 2017 at 9:46 am Facebook is adding tethered helicopters known as “Tether-Tennas” to its toolkit for widening internet access around the globe, even in emergency situations. The Tether-Tenna concept calls for sendingĀ a car-sized helicopter… Read More