All I can find from that Snowden tweet is <a href="https:&#x2F;&#x2F;www.youbetrayedus.org&#x2F;facebook&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.youbetrayedus.org&#x2F;facebook&#x2F;</a> . Are there any news articles explaining what the source of this claim is? That&#x27;s a big deal if true.