PHOENIX — Phoenix Suns star Devin Booker opened his doors to YouTuber iShowSpeed, showing off his man cave filled with classic cars, sneakers and a 200-inch TV. Beyond the flex, it highlights how NBA stars use YouTube creators to build brand and connect with fans. iShowSpeed, also known as Speed, is one of YouTube’s most … Continue reading Devin Booker’s man cave tour with iShowSpeed shows the new NBA star culture