You might want to hold onto your old cassettes. Elbow Cassette Players have invented a wearable technology that could modernize an out of date music listening format.
“Elbow is a new cassette player design concept, dedicated to restoring the glory of a cassette tape. Currently in prototype stage. If you wish to help it reach the lights of a store shelf, please visit and fill a market research study: https://docs.google.com/forms/d/e/1FA…“