There’s no way these aren’t CGI:
And yet, somehow, they’re real*:
The ad was made possible by the folks at KMel Robotics who’ve developed a whole suite of tools to program and control the swarm of quadcopters. They’ve even adapted an infrared motion capture system—typically used for computer animation—to keep track of all the drones mid-flight, and individually direct them to where they need to be.
*I’m still skeptical about the last portion.