ISPs have quietly switched on NebuAd's system, inserted a brief reference to it in their terms and conditions, and hoped that nobody would mind.

ECONOMIST: Behavioural targeting

Unfortunately, given the cacophony of the show floor, we can't speak to the sonic quality of the headphones, but the system did work well in our brief time with it.

ENGADGET

In brief, we need to move to a system that (1) makes room for more flexible contracts in the labour market, (2) has a minimal welfare net for workers who are out of work, and (3) resolves labour market disputes more quickly.

BBC: NEWS | South Asia | Why India's labour laws are a problem

In the midst of an already tense tax season, taxpayers had a brief moment of worry last night when the online system for TurboTax appeared to melt down.

FORBES: Move up http://i.forbesimg.com t Move down

But the chapter marks a significant departure from the Freakonomists' modus operandi: it contains little in the way of economics, other than a brief discussion of externalities and the observation that the hose system would be much cheaper than building an entirely new low-carbon energy infrastructure for the world.

ECONOMIST: The controversy over SuperFreakonomics

The pipeline system in certain keys areas became constrained, and in brief periods of crazy demand prices can go up by an order of magnitude.

FORBES: My Prediction Was Wrong: Why We Didn't Get To $8 Natural Gas

But make no mistake, that dialog, although brief, was a brilliant piece of negotiation by Robinson and hits on the critical points of my system.

FORBES: '42' Portrays Jackie Robinson as a Master Negotiator

In the 433 months since trading freely following 1973's demise of the Bretton Woods exchange-rate system, gold has had a 7.1% average annual return, achieved solely from six relatively brief spikes.

FORBES: Magazine Article