Lies, which couldn't be sustained forever, as in most bubbles. The most common kind of lie in this era was advertising sales fraud, in which ad sales (and rates

Lies, which couldn't be sustained forever, as in most bubbles. The most common kind of lie in this era was advertising sales fraud, in which ad sales (and rates) were wildly inflated by what were really swaps of rights to run ads that had a net null effect on the companies but were trumpeted as massive revenues, and massive ongoing increases in revenue, although in fact no money was changing hands, at all.