Human body 3.0 that can change its shape will be developed

Ray Kurzweil : futurist
Human body 3.0 will be gradually implemented during 2040's. It will lack a fixed, corporeal form and can alter its shape and external appearance at will via foglet-like nanotechnology.

Kurzweil, Ray. 2005. The singularity is near: when humans transcend biology. New York: Viking.