With enough social content on our smartphones and computers to keep people constantly glued to their screens, is it actually making people less social? The people behind Bridge think so, and want to encourage real life interaction with their social networking app.

In an emotionally charged video, British filmmaker Gary Turk urges people to unplug from smartphones and social media. The five-minute spoken word raises questions about how much of our lives we spend online, and the impact that this is having on our real social lives.

Lying in his hospital bed, terminally ill teenager Stephen Sutton shared a photo on Facebook for his final week. A week later, he is still alive and has raised over £3 million for charity, showing the powerful effect of telling a personal story through social media.

More and more retailers are embracing social media, but there is still uncertainty about the best way to use it. Given this, should social media marketing be viewed as an opportunity, a necessity, or is it all just keeping up with the Joneses?