The much-hyped Snapchat video-camera glasses record 10-second clips with the tap of a button. WSJ's Joanna Stern has some rules for people who plan to wear camcorders on their faces. 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.