Meet J0815+4729. If it were a Pokémon, it would be kind of like the Milky Way's level-three Rattata.
Before optical and then digital storage, magnetic tape was the standard. In the rush to develop dominant formats, we know Betamax lost out of VHS due to price (and because VHS captured the burgeoning porn market). But why did Phillips's compact cassette become the standard while almost no one has ever heard of the Sanyo Micro-Pack?