Yeah, it was a near-total waste of my time reading that article. Almost 100% hype with no actual content. Fortunately, the Superhuman website the author linked to tells you all about it. Many features looked good, too.
Interface seems reasonably fast, but not surprising for native clients. Does anyone know whether it's actually native? Or just electron that doesn't suck?
Yeah, I read the whole thing and have absolutely zero clue how the product is better. Was already wondering where this over the top admiration post was going, but I should have figured it would conclude with "so we bought (part of) them".
The TL;DR of this whole 1500-words post is "we think this will change everything about email, so we invested in it", and you wouldn't have missed out on any details.