In normal operation, your default "channel" -- Chumby's terminology for a particular set of selected widgets -- cycles on an endless loop, and if you'd like to add widgets or channels, you log into Chumby's site to do so (though you can delete widgets and freeze the display right from the device itself if you need to).

ENGADGET: Chumby One review Hands-on

Retail marketers know they can advertise more efficiently if they can actually track and close the redemption loop from online browsing to offline buying.

FORBES: The Credit Card Is The New App Platform

"If you shorten the feedback loop between the moment a crime occurs and the point you become aware of it, you make communities safer, " he says.

FORBES: Magazine Article

And I confess that if all that I knew of Reverend Wright were the snippets of those sermons that have run in an endless loop on the television sets and YouTube, or if Trinity United Church of Christ conformed to the caricatures being peddled by some commentators, there is no doubt that I would react in much the same way.

NPR: Obama And The Politics Of Being Biracial

Major consumer internet and financial services companies are also highly motivated, as they see a path to greater advertising and promotion-based revenue if they can demonstrate more marketing value through closing the loop.

FORBES: The Credit Card Is The New App Platform

Push lets you add drum hits by tapping the pads on and off as the loop plays, but you can also record a pattern in live if you're a bit of a finger-drummer.

ENGADGET: Ableton Push review: a dedicated controller for the Live faithful