Being rich isn't all it's cracked up to be, according to Minecraft billionaire Markus Persson. In a series of tweets over the weekend, the video-game designer bemoaned the loneliness, isolation and lack of motivation that large wealth can create. "The problem with getting everything is you run out of reasons to keep trying, and human interaction becomes impossible due to imbalance," he tweeted. "Hanging out in ibiza with a bunch of friends and partying with famous people, able to do whatever I want, and I've never felt more isolated." He also wrote that employees of his company "hate me now," and that he found a ... (full story)