Optimizing the peak-end rule is about capturing the moments of customer experience that demonstrate how your purchase pathway rates from poor to great because there is no in-between.

FORBES: I Experience, Therefore I Shop

Designing for the peak-end rule is another way of not focusing on what is less important, but about focusing on what brings the most value to the customer experience.

FORBES: I Experience, Therefore I Shop

Of the two models unveiled at this week's show, the Peak is the higher-end: it boasts a 4.3-inch qHD display, 8MP rear camera and 2MP front-facing cam, a 1.2GHz dual-core Snapdragon S4 Play chipset (MSM8225), 512MB RAM, 4GB storage with microSD expansion and a 1, 800mAh battery.

ENGADGET: Geeksphone Peak hands-on: a midrange Firefox OS phone from Spain (video)

The duo will "focus on their peak-time commitments" with the station and will leave before the end of the year.

BBC: Adrian Chiles and Christine Bleakely to leave Daybreak

The City may end this year employing 100, 000 fewer people than its pre-crisis peak of 354, 000.

ECONOMIST: Investment banking

The problem with this strategy, however, is that Cisco end up paying top prices for Net Speed and Growth Networks acquired at the peak of the high-tech bubble.

FORBES: Do Mergers and Acquisitions Enhance or Destroy Shareholder Value?

At its peak last week Yahoo had risen 81 percent from the end of August (40 percent alone following the new profit-margin numbers).

CNN: Net stocks come bouncing back