When this ad was first released, I absolutely fell in love with it. The expressions of the kid are so perfect and it represents what kids are: guileless, free from any form of deceit and totally transparent.
Meanings of Guileless:
1. free from guile; sincere; honest; straightforward; frank.
(Guile is defined as insidious cunning in attaining a goal; crafty or artful deception; duplicity.)