On the Guinness Atkinson site, for example, investors can subscribe to monthly "e-Briefs" with focuses such as Asia and alternative energy.

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Subscribe to Artfact.com for 20 million auction results and e-mail alerts when your favorite artists, antiques or collectibles come up at auction around the world.

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They want to make it easier for people to subscribe to RSS feeds and also, of course, make it really simple for people to engage in e-commerce.

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The smart labels feature essentially focuses on "bacn, " that brand of e-mail that people subscribe to and generally want to read -- but don't have time for right now.

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