Wikipedia at 10

As it enters its tenth year, we look at the history and evolution of Wikipedia, which by allowing people from opposite sides of the world to contribute, has grown into one of the most popular websites on the internet. What does the future hold for the site? Will it simply be replaced by another way of sharing knowledge on a mass level? Or will Wikipedia one day contain the sum of human knowledge? And are there any downsides to this democratisation of information?