What is the difference between a "performance" and a "documentation"?

“Live” used to have a lot of meaning and value, but with the rise of mediated technologies like twitter, it is getting harder and harder to tell if “real-time” still holds any relevance. Tanner Teale’s work uses every day materials to investigate the difference between performance and documentation. With each of his studies, Teale obsessively creates a kind-of “living” still-life that is full of tension and mystery.