Google's ad business is facing its biggest new threat in years, but for Google's Q1 earnings, Amazon

Much has been made about Amazon's growing digital ad business — which, in terms of revenue, has established itself as the third biggest player in the market behind Facebook and Google.  But ahead of Google earnings call on Monday, Wall Street analysts believe the company's core business — which is built on digital search ads — will remain strong.  "The bark is worse than the bite" when it comes to Amazon's threat to Google's ad business, Dan Ives, a Managing Director of Equity Research at...