Flying-taxi services could be launched as early as next year, and Joby Aviation is leading the way.For years, people have dreamed of zipping around through the sky, navigating above the gridlock of the traffic below. That future of transportation is closer to becoming a reality, with Joby Aviation (JOBY 0.26%) paving the way.Joby builds electric vertical take-off and landing aircraft (eVTOLs), also known as flying taxis. The company has been developing this technology for over 15 years, and next year could ...