USA Internet Advertising Growth = Accelerating, +20% vs. +16% Y/Y... Owing to Mobile (+66%) vs. Desktop (+5%) USA Internet Advertising, 2009 – 2015 $70 35% $60 $60 30% ) B $ ( $50 ng $50 25% i $43 s i ) t r $37 e $40 20% (% dv $32 th A w t $30 15% o ne $26 r r G e $23 Y nt / I $20 10% Y A S U $10 5% $0 0% 2009 2010 2011 2012 2013 2014 2015 Desktop Advertising Mobile Advertising Y/Y Growth Source: 2015 IAB / PWC Internet Advertising Report. KPCB INTERNET TRENDS 2016 | PAGE 43