What is the difference between parkour and freerunning?

What is the difference between parkour and freerunning? Freerunning is the art of expressing oneself in his or her environment without limitation of movement. It is a martial discipline founded by Sebastien Foucan, who wrote a book on the subject. Parkour is a holistic training discipline that uses movements developed from military obstacle course training.

Freerunning is the art of expressing oneself in his or her environment without limitation of movement. It is a martial discipline founded by Sebastien Foucan, who wrote a book on the subject. Parkour is a holistic training discipline that uses movements developed from military obstacle course training.