In a range of interviews with The Drum magazine, senior executives across multiple digital agencies are coming to terms with Google's decision to encrypt natural search queries last March; affecting the levels of keyword analysis available to marketers in an effort to protect user privacy.

September has been the month of redesign for the U.S search giants - first Yahoo!, then Bing. And now, Google, the biggest of them all, has unveiled a remarketed app launcher as well as a new logo.

The 425 million users of Google's popular email service Gmail should have no "reasonable expectation" that their messages remain private, the Californian search giant has told a United States court.