iPhone addiction? People perform better on tests when their iPhone is in their ... - MarketWatch
MarketWatch | iPhone addiction? People perform better on tests when their iPhone is in their ... MarketWatch Even grown-ups need a security blanket at times to feel -- and perform -- their best. And for a new generation of adults, that security blanket is their smartphone. A recent study of iPhone users ages 18 to 24 found that people perform better on ... |