Search will drive a huge chunk of ad spend growth by 2020, so brands need a voice strategy

Within the next two years, one-third of all global ad expenditure growth will driven by upticks to paid search and social media budgets, according to Zenith’s most recent forecast.
By the time this year is out, annual global ad expenditure will have hit $581bn; a figure that’s set to increase by a further 4.2% come 2020.
67% of this 2020 growth will come from brands investing in paid search and social media ads.
Over that same timeframe, Zenith’s Advertising Expenditure Forecas