Not on average. As marciovm pointed out, this is highly concentrated. It's also the kind of information you might be unlikely to put in an email or IM. Trust

Not on average. As marciovm pointed out, this is highly concentrated. It's also the kind of information you might be unlikely to put in an email or IM. Trusting people with email and credit card info carries legal and financial risks, but this carries a social risk that can have a much longer-lasting effect.