The Internet search leader fetched less money per click on its ubiquitous online ads. Google executives traced part of the decline to technical changes aimed at delivering more ads that attract people's interest.
What was supposed to be a celebration of the most prosperous quarter in Google's 13-year history instead turned into a major letdown.The disappointment sunk in Thursday after Google's fourth-quarter earnings report showed the Internet search leader fetched less money per click on its ubiquitous online ads.That came as an unsettling surprise because investors had assumed a surge in online holiday shopping in the U.S. would enable Goog...