Wi-Fi in the sky: Are we there yet? Absolutely, says Routehappy, on the popularity of in-flight Internet.Do you have a fear of public speaking? You’re not alone. We talk with one of the teenagers with Beyond VR, a virtual reality app designed to help you overcome your fear.To talk about its new “Science and Stuff" book, we chat with the folks behind Guinness World of Records.We talk with the CTO of Slack, one of the hottest real-time communication and collaboration tools for businesses.