iCloud Logo Designed with Golden Ratio
Another shining example of the golden ratio used subtly in graphic design.
The circles in the puffs of the iCloud are sized in a ratio of 1:1.6, an approximation of golden ratio, as discovered by Australian designer Alan van Roemburg. It seems unlikely the proportion was unintentional; Apples artists simply have an acute sense of the history of design and mathematics.
via MacRumors