Earlier quoted context omitted.
> I think everyone would love to see an email killer come along Can you explain this? I've heard this sentiment before and never really understood it. The common complaints I hear about email are usually inherent in the fact that it's a universal communication mechanism[0], or a symptom of inadequate clients[1]. I can understand the need for better email clients (that's what Gmail originally was, back in the day[2]).…
But I still haven't been able to find a compelling reason that email itself is fundamentally broken in a way that requires a new system altogether. I'd love to use something very much like email which had a few things like this: Verified identity Public key encryption as standard (of content at least, possibly of most headers too) TLS everywhere UTF-8 everywhere Metadata for social presence so that twitter/fb/github/…
If you go there, you're basically talking about something that's more like blogs with RSS feeds, rather than email. To me, half the point of email is that it is "pushed": this allows to send messages to people you don't already have pre-existing relationships with, simply by finding out their contact details.