New research discovered how people use emoji to express their concern and support during tragedies and disasters.
An expert explains how Facebook's privacy issues are linked to a bigger problem – a 'hostile information architecture,' largely controlled by corporate interests.
Voluntourists' ability to change systems, alleviate poverty or provide support for vulnerable children is limited. They don't have the skills and can perpetuate patronising and unhelpful ideas.
A scholar asks whether democracy itself is at risk in a world where social media is creating deeply polarized groups of individuals who tend to believe everything they hear.