#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?

In the past, downplaying one's black identity in Brazil was key to socioeconomic prosperity and survival. But now, emboldened by finding an elevated voice on the internet, black-Brazilians are celebrating it by building and supporting black-owned businesses.

Young Brits are politically minded. 70% think social media should be used for social change, and a quarter are highly knowledgable about politics. Yet only 12% would definitely vote in a general election. Why are they so disillusioned? And is engaging via social media the answer?

The modern man is a very different creature than his predecessors. But fluid masculinity and metrosexuality aside, men today are increasingly socially savvy; Pinterest – an old haunt for brides-to-be – reported a 73% increase in male users in 2014. What’s got so many men signing up?