https://blog.superhuman.com/superhuman-ai-instant-reply/
…Imagine waking up to an inbox where every email has a draft reply. You would simply edit, then send. Sometimes, you wouldn’t even edit…
We show three draft replies under each conversation. Unlike Gmail, these replies are full emails, and are ready to send. Unlike Outlook, these replies are precomputed, so you never have to wait. Unlike all other email apps, you just hit Tab and then Enter, so this is blazingly fast. And like the rest of Superhuman AI, Instant Reply matches the voice and tone in the emails you’ve already sent, applying that to everything it creates…
