More realistically, a somewhat large number (>1000) says to me "this person spends time and energy on self-promotion". Some of the smartest people I know have T

More realistically, a somewhat large number (>1000) says to me "this person spends time and energy on self-promotion". Some of the smartest people I know have Twitter accounts with just 100-300 followers because they don't aggressively blog or anything.