Warren Buffet was right about cryptocurrency. But is Elon Musk right about working from home? Listen to this 30-minute podcast for my take. I'll also cover the Ring controversy that has people asking, "Do doorbell cameras violate privacy?" Plus, Uber expands — as do rental car scams. Also, this new smartphone tool lets you identify just about anything. Learn more about your ad choices. Visit megaphone.fm/adchoices