What will the world be like in 50 years?
A similar question was asked earlier, and by the time I had composed a response, it had been taken down for some reason. So here's another shot at it.
For some starters, I found this article and video on the Forbes site: http://www.forbes.com/sites/ashoka/2013/04/12/what-will-the-world-look-like-in-50-years/. Also, I offer this beautiful video produced by Cisco which deals with how far we have come in terms of forming a global community, and some idea as to how far we might go: http://www.youtube.com/watch?v=tdmJW8bSsqo.