Mums are getting excited about flash sales site Zulily, and it’s not hard to see why. Constant discounts, 9,000 new items posted daily and ‘buy-it-now’ emails are selling them everything from yoga pants to fridge organisers, attracting four and a half million customers in five years. Will this success last?

“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?

The ‘Right To Be Forgotten’ ruling has presented Google with a unique challenge. How does a search engine decide whose requests to be ‘forgotten’ online are granted? To help figure it out, Google hired a philosopher who believes our entire notion of personhood requires revision.

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?