Twitter has long had a reputation as an important tool in social revolutions around the world, but the BBC recently explored the platform's capacity for a different kind of social change. Linguists have observed a decline in the use of the formal "you" on the platform in many languages, especially French — and not just because the informal "tu" takes up two fewer characters than the formal "vous." The BBC explores the root of the trend and what it may mean for the future of language and social interactions at the source link below.