Henry Blodget suggests that this chart demonstrates how patient Facebook's shareholders will need to be.

Patient Amazon shareholders have been rewarded after a decade of up, down, sideways, up, down...

With 20/20 hindsight, the "right" time to buy $AMZN was 2009.

But really, if you bought anytime before 2011 and just held on, you'd be doing fine.

That's kind of true for $GOOG, too.

And not true for $MSFT, which is still flat from 15 years ago.

The real revelation is $AAPL, where one could have bought any time in the last 15 years and held on, and is making money...