IF YOU really want to know something, don’t email your question to hordes of people. That’s the message from psychologists who’ve found that the more people you copy an email to, the more each recipient is likely to ignore it.
Say you wanted to know the date of an upcoming concert. You could email everyone in your address book. However, Greg Barron of the Technion technology institute in Haifa, Israel, suspected that emailing individuals separately is more effective. “Each one of these people might assume that another guy will probably help,” he says.
To test this, Barron and his colleague…
