j"19HxigV4QyBv3tHpQVcUEQyq1pzZVdoAutLÇI can see Twetches being a foundation for a blockchain email, IM, etc. You're just going to see weirdly formatted Twetch's soon. It involves gratuitous exchanges of public keys, some of it automatic.
text/plaintext twetch_twtext_1561827215147.txt|"1PuQa7K62MiKCtssSLKy1kh56WWU7MtUR5SET twdata_jsonnullurlnullcommentnullmb_user2584typepost timestamp362498817920669apptwetch|"15PciHG22SNLQJXMoSUaWVi7WSqc7hCfva
BITCOIN_ECDSA"1AKHViYgBGbmxi8qiJkNvoHNeDu9m3MfPE##computed_sig##
https://whatsonchain.com/tx/353c8169778a4f0eb9c6f5c890cf3f13fadb9ea1ea10c7f74614e2d308d52bec