Butler joins from Merkle, where he led the Media and Entertainment business development team.

Nick Allen and Tori Harris have both been appointed to newly-created roles.

Incubator division led by company co-founder Jonathan Clough.

Online dating website OkCupid has admitted that, like Facebook, it has conducted experiments on its members without their knowledge.

New digital research firm launches, led by ex-Toluna client relationship director Suzy Hassan.

Proportion unconcerned about how much data they share with brands rises to 68% among 18-24 year olds, according to research.