Below, I present five charts that clearly ... negative 6.3% free cash flow yield in 2000. Free cash flow is declining, but it’s nowhere near the losses of the tech bubble.

In a 13-page note titled "Blowing and Bursting Bubbles," Citi's Tobias Levkovich offers a good discussion of past bubble cycles. But one chart from his August 1 offered some eyeopening perspective.

So if someone wants to create a widget that will let people show their Google Analytics charts on their blog, that will be possible. 5. Bubble Charts: The new motion charts allow you to visualize ...