Alphabet's traffic acquisition costs hit $7.44B for Q4, up from $6.58B in Q3, and ad revenue grew 20% YoY to $32.6B, amid competition from rivals like Amazon Sara Salinas / CNBC : CNBC 2019-02-05 Sara Salinas Alphabet, Amazon, CNBC, Sara Salinas Related Coverage View article Tubefilter View article 9to5Google View article Business Insider View article Fortune View article MSPoweruser