Whether it's Lightning dongles for the iPhone 7 or USB-C dongles for the latest Android phones and Windows laptops, these small, overpriced pieces of plastic push our old tech accessories into the future, says WSJ's Joanna Stern. Photo/video: Drew Evans/The Wall Street Journal.
The WSJ's "Financing the Future" series sheds light on the issues faced by about two billion people around the world who still live without access to banking, lending, credit, investing and other basic financial services as they struggle to join the formal economy.