Probably the best road to success would be knowing what product would be the most demanded item in the world. I'm talking about having the knowledge of what thing would be purchased more than anything else.

Let's take this issue to the absolute extremes now. Let's narrow it down to the biggest shopping day of the year.

Next step: The biggest retailer on the planet.

So here's the question. What was the biggest seller at Wal-Mart on Black Friday?

The answer is towels. They sold 2.8 million towels.

And here we thought we were living in a high tech world! I hope nobody spent the night in the store parking lot in a tent for this!