But it is attacking with a radical business model: inexpensive flat-rate wireless data for any device (it plans to add voice service soon).

ECONOMIST: Face value

To get a valid Stimp reading with the old model requires a relatively flat run of putting surface 12 to 14 feet long.

WSJ: Ta-Da! The USGA Gives the Stimpmeter a Makeover | Golf Journal by John Paul Newport

But full-year flat monetization blows up the P model.

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Langton said families have been pleased with the pricing model because it often costs less to fly with children using the pay-by-weight model than it would to purchase flat-fare seats.

CNN: Pay-as-you-weigh airfares the 'next step'

But in areas where local calls are free and ISPs offer unlimited Internet access for a flat monthly fee anyway, the no-charge Internet model has less appeal.

CNN: Giving It All Away

The most widely accepted model of the universe suggests that it is both flat and infinite.

ECONOMIST: The shape of the universe

This business model is on the way out though, as internet users demand flat rates and truly unlimited web access.

BBC: Unmetered web access in trouble

When I decided to get my own 47-inch flat-screen TV, I did my due diligence in Consumer Reports, decided on a Samsung model and ordered it from Amazon.com.

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