Jack Dorsey's Square Buys Majority Stake in JAY-Z's TIDAL

Mobile payment company Square, Inc. is acquiring a majority ownership stake in JAY-Z's music streaming service TIDAL. Twitter co-founder and CEO Jack Dorsey, who also founded Square, announced the deal in a tweet on Thursday.Square is acquiring a majority ownership stake in TIDAL through a new joint venture, with the original artists becoming the second largest group of shareholders, and JAY-Z joining the Square board. Why would a music streaming company and a financial services company join for...