Internet Advertising = +21% vs. +22% Y/Y Internet Advertising Spend $90B 30% $88 USA $73 nd, $60B 20% pe $60 S th ing $50 Grow rtis e $43 /Y $37 Y dv $32 A $30B 10% t $26 ne $23 Inter 0 0% 2009 2010 2011 2012 2013 2014 2015 2016 2017 Desktop Advertising Mobile Advertising Y/Y Growth Source: IAB / PWC Internet Advertising Report (5/18). 97