Berkeley, California - What does checking your work email in the wee hours say about you? It depends who you ask.

Constant connection tends to be seen as a sign of dedication in the United States, for example, while Danes are likely to view such behavior as a symptom of inefficiency.

Tania Lombrozo, an associate professor of psychology at UC Berkeley, explores the tyranny of email, and the assumptions behind our relationship with cellphone technology, on the NPR website.

Read her blogpost here.