Yes, the last page of that presentation says: There is no longer any notion of a Whitelist for this feature The original proposal called for seeding the featur

Yes, the last page of that presentation says: There is no longer any notion of a Whitelist for this feature The original proposal called for seeding the feature with a list of sites who had Flash usage above 1% (i.e. a “Top 10” list), to limit over-prompting. Instead we have updated our design to use Site Engagement to better tailor our enablement, of the feature, based on the browsing habits of the end user (i.e. it’s a reflection of the sites that they visit).