Searches Switch to Shift to Mobile causing Google Search Ads to drop 1.4Bbillion – eMarketer.

Desktop search in the US is poised for a significant decline this year as paid clicks on Google shift toward mobile devices, according to new figures from eMarketer.

There is a huge shift now as Mobile is now growing at the rate 83.0%. Ad spending on mobile in the US grew 120.8% in 2013, contributing to an overall gain of 122.0% for all mobile ads. Meanwhile, overall desktop ad spending increased just 2.3% last year, according to eMarketer.