From politics to social activism: How hashtag changed the world in a decade

The humble "#" is now powerful enough to infiltrate social media networks and launch grassroots campaigns against state and non-state actors alike

From fashion trends to global events, the hashtag (#) has become the conspicuous symbol of the Twittersphere. What only a decade ago denoted a numerical symbol of no special significance or attribution is now a call to arms for causes that are many and varied.

The “#” is a social organiser, which emerged spontaneously and dynamically from the content generated and updated by social media users. The initial intent behind the “#”, when Twitter launched in 2006, lay in its simple use as a means of organising data and information. An indexing tool for grouping