Summary: Peeking to see what others are doing on mobile devices is a temptation few can resist. The Wall Street Journal's Sue Shellenbarger explains the rise of "visual hackers" snooping over our shoulders.
Summary: Peeking to see what others are doing on mobile devices is a temptation few can resist. The Wall Street Journal's Sue Shellenbarger explains the rise of "visual hackers" snooping over our shoulders.