Priority Inbox

Google releases Gmail’s priority inbox secrets

The secret’s out (in a small way) and Google is happily
sharing a top line look at the processes and algorithms that go together to
make up what the company describes as “One of the largest and most user facing
applications of ML (machine learning) at Google”, namely the Priority
Inbox
.

So how can we use this knowledge to ensure better inbox placement in
Gmail? And is this news to us anyway?