The long-running series in which readers answer other readers’ questions asks whether we could cope with a world where computer gave up saying no … Readers reply: what would be the most socially useful way to spend a billion dollars? The long-running series in which readers answer other readers’ questions asks whether we could cope with a world where computer gave up saying no … Readers reply: what would be the most socially useful way to spend a billion dollars? A fter years of computer saying