Talking about the global smartphone growth, maybe you'll guess China is the leader... Well, it's kinda make sense as China contributes as one of the biggest smartphone maker in the world. But, let's check this out first then we can make the conclusion :)     Rule of "Thumb" I quoted the Thumb! Don't you realize? Lol! Thumbs contribute a lot for us to use smartphone... I like to do massage and one day, when the woman who gave me the massage rub the joints beneath my thumbs and she s...