Facebook, Fitbit and Mastercard – 5 things that mattered this week

Sir Martin Sorrell: Facebook cannot claim a three-second view is the same as a TV ad
Sir Martin Sorrell, the boss of WPP, believes more needs to be done to improve ad measurement and validation on social media sites.
Speaking at the Festival of Marketing on Wednesday (5 Oct), he admitted that five years ago analysts saw Facebook and Google as “enemies” of WPP, but now he sees them more as frenemies.
This year, Google was WPP’s biggest media investment and he said by 2018 h