Transcript for 07-11-2018, 4 lines:
00:35:39 adlai: fluffypony: any guess at how such a tx size reduction correlates with the likelihood of false positives?
12:33:24 fluffypony: adlai: false positives?
12:33:45 fluffypony: you don't get false positives with range proofs
12:33:50 fluffypony: they're "proofs" for a reason :-P