Gmail Alerts via an ATOM Feed

Several stories out there today like this one: Gmail Atom Feed Coming? that discuss a new button that's now appearing on Gmail and how it might signal a new feature that will push new email alerts (subject line, the e-mail address of the sender and a brief summary of the e-mail message) to an aggregator using ATOM.

See Also: Gmail Adds Atom Feeds (via Micro Persuasion)