Here is a typical smiley face, consisting of a head, two eyes and a mouth:
Rather cute, but it could be cuter... Try increasing the distance between the eyes, then raise the mouth:
Babies are cute. They also have large foreheads. Maximize the Cuteness Factor by moving facial features to the bottom of the head:
Another cute technique—popularized by recent Japanese mascots—is to place the facial features at the top of the head:
Finally, big eyes convey innocence, which is crucial to Cute-Facedness. But beware of overly-large eyes that can lead to Bug-Eyedness:
And there you have it, class. Cuteness, deconstructed.
Extra-credit question: If five cute faces were combined into one, would the total Cuteness Factor then be multiplied by a factor of five? Let us observe:
~ Professor Woo
UPDATE - Oct 3, 2011:
Watch the return of the cute-a-pillar here.