That quote seems to imply that they have not measured the maximum speed to receive information but the speed at which we are comfortable outputing it. There is

That quote seems to imply that they have not measured the maximum speed to receive information but the speed at which we are comfortable outputing it. There is no shortage of people training to receive a lot of information at once, and 39 bits per second seems to me on the lower end of what some video games require but in terms of constructed, linguistic output? They may be on to something there. Fast chatters are not faster thinkers. I have yet to see people exchanging thought at a higher rate then usual.