My favourite part of P3P was when Google started returning a P3P header that just had the string "This is not a P3P policy", intentionally letting browsers cons

My favourite part of P3P was when Google started returning a P3P header that just had the string "This is not a P3P policy", intentionally letting browsers consider its presence a declaration of P3P compliance while declaring non-compliance in English. Real, refined, stylish evil. I couldn't help but be impressed.