Sony cranks up optical disc storage to 3.3TB

Optical discs like Blu-ray are losing favor, but Sony and Panasonic don’t seem to care. The companies have cranked up the storage capacity on optical media to a stunning 3.3TB. That’s a big advance in Sony’s optical storage, which is based on technology used in Blu-ray. The 3.3TB disc is targeted at studios, filmmakers, and broadcasters that