How a fringe newspaper became a worldwide symbol for freedom of expression. Read more
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#JeSuisCharlie
How a fringe newspaper became a worldwide symbol for freedom of expression.
#AylanKurdi
How one picture changed the nature of the debate about migrants in Europe.
#TheDress
How a dress from Birmingham became the year's biggest talking point.
#BlackLivesMatter
The hashstag that galvanised a protest movement on a scale not seen since the 1960s.