Thus, she feels emotionally dependent on her Weight Watchers job to help her maintain her current weight, and Weight Watchers is able to retain her enthusiastic service with very little pay.

FORBES: Weight Watchers Leaders Fed With Passion

But take a shirt and turn it into an image (a promise of hipness, say), aim it at a specific customer segment (such as young Filipinos in Hong Kong), and display it to them in the right setting and with enthusiastic service, and you have both differentiation and a winning business model.

ECONOMIST: Asian companies and the China challenge

Mind you, a music industry executive told me last week that he and his colleagues would not be at all enthusiastic about a UK version of the service from the company they regard as one of the prime facilitators of piracy.

BBC: Google's Eric Schmidt on the Google Review

Users are less than enthusiastic about mopping up the new Internet capacity because the only service they could use it for video-on-demand would cost them more to provide than they could collect in payments.

ECONOMIST: MONITOR

"We now need more people who are friendly, helpful and enthusiastic and who thrive under pressure to ensure we deliver consistently great service to our customers, " he said.

BBC: NEWS | UK | Northern Ireland | Jobs boost 'to meet M&S workload'