“You may remember that at the height of the dot com boom,
various dot com start-ups were claiming large volumes of web site
visitors (eyeballs), and the figures they gave, which were probably
accurate at least within reason, supported ridiculous stock
prices–until it eventually became clear that, eyeballs or no
eyeballs, these companies weren’t selling much. Then, all of a
sudden, the apparently forgotten link between revenues and
commercial viability was re-discovered and sanity returned…”