A look at BBC Trending’s highlights from the past year of covering social media. From America’s student anti-gun movement to the continuing noise made by #MeToo activists, social media played a huge role in some of the biggest political movements of the year. And of course the World Cup was drenched in tweets and hashtags - plus, we visit the gaming team with an average age of 67. All that and more, in our roundup of the year on social media as seen by BBC Trending.

Presenter: Mike Wendling

Photo Caption: A hashtag in a speech bubble