That grumpy person at your job may be your best worker. According to a new study published in Social Psychology, a person considered a “hater” may be a better employee because he spends time on fewer activities. Researchers  Justin Hepler (Department of Psychology, Univers

He’s done it. She’s done it. I’ve done it. You’ve done it. I’m talking about checking your smartphone during a business lunch. Or, worse, during a business meeting. Whenever and wherever you check it, though, can be considered rude, especially when done d