“Google policy is to get right up to the 'creepy' line and not cross it,” says the company's CEO. But when does insightful personalisation become intrusive? And how do brands build lasting relationships with consumers concerned about being spied on?

After revelations concerning unsolicited emotional experiments being carried our on unsuspecting members, Facebook has been trying to regain the trust of its audience. It's created Moments - an app focused on super-private sharing of photos, updates and videos.

As retailers adopt beacon technology for shoppers in a post-NSA scandal world, are people feeling harried or happy? New research suggests it's the latter. A study has revealed that a great deal of shoppers would welcome being sent beacon-based messages while shopping.

Nearly 80% of people think companies use their personal data to make more money, so they're reluctant to share it. With over three quarters of people concerned about online privacy, Citizenme gives them back control of their data. But what does it mean for users and advertisers?