Is it time to break up big tech?

The Federal Trade Commission, the US Department of Justice and Congress have all begun to investigate whether tech juggernauts like Apple, Facebook, Amazon and Google have too much power. In this edition, we speak to David Alan Grier, the editor-in-chief of Computer, the flagship publication of the Institute of Electrical and Electronics Engineers. Plus, we learn more about Joliot-Curie, France's latest supercomputer. In Test 24, we try MyEye2 by OrCam, a device designed to assist blind people.