Paid search advertising spending saw steady increases across all markets tracked by Kenshoo. The growth rate in Asia-Pacific hit 28.58% in Q4 2013, making it the leader among all regions. Paid search ad spending gains came in at 23.27% for EMEA, although year-over-year growth slowed dramatically between Q2 2013 and Q3 2013. Ad spending growth in the Americas in Q4 2013 shot up 17.88% year over year. Read the rest at eMarketer.