The girls (most) have this general preferrence towards pink. We dont give much thought to it, do we!? But the marketers do. You have all kinds of weird stuff in pink, aimed at attaining the market share of the fairer sex. Some of these are:

pink-ear-phone.jpg  tricycle.jpg  computer-set.jpg  pink-psp.jpg

Now, the result of this obsession is pretty old. Read the reason here and tell me if it convinces you!