This is a very balanced post on barefoot running. What I like about it most is that there is an honest discussion of some of the pitfalls of barefoot running. I suspect that there are many people starting barefoot running too enthusiastically, without the proper preparation of learning good running technique, and without enough transition time.
If you are starting barefoot running, or are considering it, I highly recommend reading this blog post linked below.
Barefoot Running Injuries and the Evolution of Distance Running in Humans by Peter Larson on Runblogger