Using a "not enabled until clicked" approach is better - The popup won't be showed unless the user clicks the otherwise missing video - but if the Flash object

Using a "not enabled until clicked" approach is better - The popup won't be showed unless the user clicks the otherwise missing video - but if the Flash object is a tracker, most users won't even notice it, and the tracker is blocked. It's not perfect, but works reasonably well and has successfully protected a large number of users from Adobe Flash trackers.