Warning: Undefined array key "visitor_referer_type" in /var/www/vhosts/wordinf.com/core/app/libraries/Core.php on line 98 Daniel Levitin - We used to think that you could pay...
We used to think that you could pay attention to five to nine things at a time. We now know that's not true. That's a crazy overestimate. The conscious mind can attend to about three things at once. Trying to juggle any more than that, and you're going to lose some brainpower.