What can we learn from social media about the power of sharing information?

Our desire to communicate and interact on social media took off, long before we considered how this vast and ever-growing mass of information might shape our world, for better or worse. Scientists at the University of Oxford are searching for ways to make sense and use of the huge volume of publicly accessible data that our social media obsession has created. 

https://www.youtube.com/watch?v=VyhsxUh2G8I&feature=youtu.be