If Turin wanted to work on this using his algorithm, he'd start with one of patchouli's components--say, a molecule that smells earthy or woody--and try varying its structure in small ways.

FORBES: Life

Google usually likes to do everything by the algorithm, but in this case that could overload the movie with extras, or throw in questionable content.

FORBES: Hey Netflix: YouTube Is Selling 3,000 Movies

From this, as with Khan Academy, it can begin to hone its adaptive algorithm and learn from the big data set about what works best and for whom.

FORBES: Special K: Don't Sleep On Khan Academy, Knewton