Cookies

How to detect cookie in Javascript
http://stackoverflow.com/questions/8112634/jquery-detecting-cookies-enabled

Delete cookie for a specific site by clicking bookmark
http://labnol.blogspot.jp/2006/12/how-to-delete-browser-cookies-of-any.html

Cross-domain communication, 3rd party cookie problems:
- http://vimeo.com/24705559, options:
  - PostMessage
  - JSONP
  - CORS Cross Origin Resource Sharing
  - Document.domain Hacks
  - Window.name Hacks
  - IFrame Hacks

Creating P3P compact policy:
 - http://blog.sweetxml.org/2007/10/minimal-p3p-compact-policy-suggestion.html
 - http://stackoverflow.com/questions/5774014/iframe-cant-read-nor-set-cookies
 - http://viralpatel.net/blogs/how-to-set-third-party-cookies-with-iframe/