Core developer fluffypony on Twitter recently published a link to his whitepaper on TumbleMoneroWimble, "One-time Ring Signature Scalable Off-Chain Untraceable Instant and MimbleWimble".
Since the use cases listed on page 52 are very interesting, could someone please explain the mechanism in easy words? Especially the instant transactions and micropayments would be very interesting and how can they still can be private.