Someone just alerted me to the fact that when you click the print icon in a FLEX article the printout includes all of the in-story ads AND any hovering ads. The hovering ads are on every page, usually blocking content.
With Zen when the user clicked the print icon they were taken to a page with "?mode=print" trailing the URL. This mode stripped all of the other elements of the page save for the story and any child assets. It was great.
Here's what FLEX printing looks like...
Customer support service by UserEcho