For all the talk about email overload, I'm surprised more people don't do stuff like this. It's simple and effective. Instead, everyone wants an AI solution that automatically separates the important from the fluff. I hate to be a pessimist, but I'm doubtful we'll produce a notable success in this area any time soon, if ever. Priority Inbox certainly isn't it. I spent so much time double-checking its often-wrong resu…
The way it deals with your scenario of meeting somebody new and then getting an email from them is that any email sent directly to you from a new person is marked as important.
The way it deals with your second scenario is machine learning. Everyone's priority inbox behaves differently depending on how you train it.