Via @eMarketer, #Google's net US #search ad revs exp -7.2% Y/Y, $GOOG's search ad mkt share - 2.8% Y/Y to 58.5% ($AMZN's search #advertising not exposed 2 #travel, still exp 2 grow). #digitalmarketing #ecommerce #mcommerce #retailmarketing #digitaladvertising $GOOG $FB $AMZN