How fast does it take to make a billion dollars ?

I was reading up on Quora and stuff, when this topic caught my attention. Turns out that there are billionaires who achieved the billionaire status in 4 years or less. This is pretty fast if you ask me.

This graphic tells a pretty good story:


It's amazing to see how the Internet is increasing the speed of everything, including making wealth and fortune.

Here's one more related article that is worth reading: