“The top 10% of prolific Twitter users accounted for over 90% of tweets. Twitter is dominated by men, whereas other social networks tend to be dominated by women. Is Twitter biased towards men?” Twitter is supposed to be about not talking too much. So if you’re talking a lot, are you doing it right? A conundrum! As I said about blogging a long time ago: “Be concise and write a lot. You must do both!” Who knows which way that bias cuts?