hello, i was on charge of the CG(3d)ink on this spot, ink was created using a tool ive been developing for about 2 years inside sidefx houdini and is called mINk. check http://www.msalek.com/offline for more clips showing cgInk.
(additional (enviromental)ink(footage) was added in ae using cameras and nulls from the 3d scene.
hope it helps.
msalek.