"At the core, we believe that a network that helps move more [private speech] — where a lot of illicit activities happen — to a digital network that [requires speech permits] with proper [deanonymizing] practices, combined with the ability for law enforcement and regulators [to no longer have fourth-amendment barriers to viewing the panopitcon], will be a big opportunity to increase the efficacy of [eradicating unapproved speech]."

https://www.facebook.com/notes/david-marcus/libra-2-weeks-in...