Mark Zuckerberg has posted a couple of demonstration pictures from its Connectivity Lab. Laser beam technology has the ability to transmit data from the sky into communities. He has plans to equip drones and satellites with lasers to allow those laser-equipped devices to beam down Internet signals anywhere in the world. No, the beams will not be actually visible. The photos have been made visible for demonstration purpose only. They have been posted to Facebook’s Facebook page for a demonstration purpose, but they are not actually visible.
Source: https://thehackernews.com/2015/07/facebook-internet-laser-beam.html