Email is a relic of an old era and isn’t a very good example. It wouldn’t catch on if it emerged just now. More and more modern email clients starts to add thin

Email is a relic of an old era and isn’t a very good example. It wouldn’t catch on if it emerged just now. More and more modern email clients starts to add things on top of the protocol turning their apps into walled gardens (Polymail, Spark, Gmail too actually). Not because they’re evil, because it’s impossible for some players to update the protocol itself.