And not just a little "thanks for coming, nice to see you" kind of hug. Sometimes she drew several people at a time to her bosom, rubbing their shoulders and arms while smiling beatifically.

One such emote is a hug. With your arms outstretched, another player can come in for a squeeze. That, you would think, would be that. But, it turns out, there’s a very real and useful ...

Decades ago, hugging between co-workers was unusual, if not verboten. Today, physical affection can flourish in certain industries - dot-com, marketing and fashion, for instance - even as ...