In an era where many films and albums are stored in the cloud, "streaming anxiety" is making people buy more DVDs, records – and even cassette tapes.

Oppenheimer and the resurgence of Blu-ray and DVDs: How to stop your films and music from disappearing::In an era where many films and albums are stored in the cloud, “streaming anxiety” is making people buy more DVDs, records – and even cassette tapes.