Besides fear, the greatest motivator in advertising is greed.

F'rinstance, this ad screams at you to buy Buy BUY NOW because of the explosive growth that gold is experiencing. Now, it is true that gold has gone nuts in the last 5 years:



However, it might help to close the window a bit and look at what's been happening in the gold market over the last 12 months (all charts are dated August 9, 2005):



And you most definitely want to know what's been happening to the price of gold over, say, the last 20 years. Suddenly, that explosive prediction of $1500/ounce doesn't seem all that imminent: