Cassettes, the music and data storage format most of us had to use in the 80's. How did they work? Were they are rubbish and unreliable as people say? Why did we use cassettes for data storage anyway? Did you pirate games on a twin tape deck? Why didn't they always load and are cassettes having a comeback in 2020? In part 2 of this video we look at the differences between ferric, chrome and metal cassettes and carry out some tests.