I think there is one amazing thing about Facebook.  It makes it so that the entry cost for sharing is cheap.  It makes it easy to produce and to share ideas.  I think it is a great to reduce the cost of sharing, of producing.  When the cost of sharing is too low, people share things that are not interesting.  Facebook has helped with this by using algorithms to filter the popular and good ideas to the top, instead of just ordering it by time.  Reddit does this using a great mathematical equation that bases the weight on time, votes up, and votes down.  Many other sites have different ways to filter out bad content from good content. Continue reading