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Jay-Z buys Tidal. In 2015 Jay-Z invested $56 million in a holding company that owned the streaming music service known as Tidal. Partly in a move to beat Apple to the punch—their music streaming service was just getting ready to launch. At a press conference in New York City in March of 2015, along with […]

One of the first department stores in the US  was Wanamaker’s in Philadelphia, Pennsylvania, owned by John Wanamaker. Mr. Wanamaker was profoundly religious and strictly scrupulous. He invented the price tag because if all men were equal in the eyes of God, they should pay equally for goods. He also created the concept of the