“The streets ain’t made for everybody, that’s why they made sidewalks,” asserts fictional ex-drug dealer Cookie, whose baby daddy now runs affluent record label Empire Records. Welcome to gaudy US dramaEmpire,which is taking America by storm.

Twitter was a powerful medium for self expression throughout the Arab Spring that began in 2010. Yet despite on-going friction and conflict in the Arab world, its usage for political discussion has declined. According to research agency Social Eyez, this is both out of boredom and fear.

In light of civil unrest in politically charged cities like Ferguson, New York City, Missouri City, Hong Kong and Mexico City, apps are being designed to bring underreported acts of injustice to light. How will activists armed with apps bring change?

With a brand-building campaign that draws parallels between historic social campaigners like Martin Luther King and modern-day equivalents, Unilever is encouraging consumers to take positive action against worldwide social and economic issues.