Consumer-products makers spend countless dollars every year on market research that doesn’t work. Focus groups generally to try to please their testers, research has found, and consumer surveys also tend to overestimate their interest in products. So several companies are cutting what consumers say out of the equation and instead going straight after what they are thinking, the Wall Street Journal reports.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.