TY - SER AU - Dagli, Hulya TI - When Data Comes Home KW - TECHNOLOGY KW - SOCIETY N1 - For many people, using smartphones, social networks, and online shopping is as normal as driving a car. These inventions have three traits in common: they're fun, easy to use, and part of daily life. Something similar is happening in the way power is supplied to our homes. A major field test in Germany demonstrates why, given the right data, it can be fun to save energy ER -