Crockford sums it up as (paraphrasing): We take time to perform all actions diligently and with the utmost regard towards security and privacy -- unless you pay

Crockford sums it up as (paraphrasing): We take time to perform all actions diligently and with the utmost regard towards security and privacy -- unless you pay us. And, with all good standards, you get multiple choices for a solution. Crockford prefers his adsafe over Google's caja. http://www.adsafe.org/ http://www.adsafe.org/ http://code.google.com/p/google-caja/ http://code.google.com/p/google-caja/