Gmail Announces Another Upgrade: Priority Inbox
Today In New York featured a new Google addition, which automatically searches your inbox to find messages you find most important. It "learns" the priority of each message by analyzing how quickly you respond.
[There was a video here]
This could be helpful, but is more-so just odd knowing that Google can easily access such information. It also seems a bit unnecessary, seeing as most people know which emails are important or not and can access them via the search tool.