Warning: Undefined array key "visitor_referer_type" in /var/www/vhosts/wordinf.com/core/app/libraries/Core.php on line 98 Marcus Buckingham - Google and Facebook, each in their...
Google and Facebook, each in their own way, have revolutionized the delivery of advertising based on search and social networking, creating a sort of anti-Spam: targeted, relevant ads that a consumer might actually welcome rather than spurn.