Warning: Undefined array key "visitor_referer_type" in /var/www/vhosts/wordinf.com/core/app/libraries/Core.php on line 98 Sendhil Mullainathan - Marketing is selling an ad to a...
Marketing is selling an ad to a firm. So, in some sense, a lot of marketing is about convincing a CEO, 'This is a good ad campaign.' So, there is a little bit of slippage there. That's just a caveat. That's different from actually having an effective ad campaign.