Who knew Kendall Jenner, a can of soda and a staged protest would be such a recipe for disaster? Certainly not Pepsi’s creative team, who are responsible for that spot. While the ad clearly missed the mark, it’s also a cautionary tale of the power of the crowd, and the tendency to revel in outrage.

#DeleteUber marked a turning point in online activism, with social media users banding together to take the moral high ground against Uber's badly-timed promotion. But did people ditch the app because they genuinely disagreed with the brand’s actions, or so they could post about it on Instagram?

Are we living in an outrage culture? Stoked by social media, unthinking transgressions can be blown up into major scandals as moral crusaders pile on the bandwagon. Some feel that the adoption of trigger warnings by universities is the latest illustration of this extreme sensitivity.

With the average UK commute lasting 38 minutes, communications that provide convenience, entertainment or a simple distraction can make the time spent travelling feel shorter. But what do people read, play or buy going from A to B? And how are brands engaging this captive audience?