Some run call centres with round-the-clock service.

ECONOMIST: Company formation

The amenities most players crave, according to some team travel directors, are round-the-clock room service (lots of late post-game meals), top notch fitness facilities (bench players need to get their workouts in), and blocks of rooms segregated from the other guests (who wants to hobnob with the commoners during downtime?).

FORBES: Magazine Article

The company subsidizes personal trainers and nutritionists, and offers round-the-clock counseling service for help with issues like marital strife and infertility.

FORBES: Silicon Valley Employers Go Wild With Lavish Employee Benefits

The company said its new round-the clock service was to "support shift workers and the night-time economy".

BBC: New 24-hour bus service for Bristol

The new, duller Fidelity has built a business model bearing a resemblance to that of Vanguard, the industry's number two, but with even cheaper investment options and highly sophisticated, round-the-clock, customer service.

ECONOMIST: Fidelity

Shopping online, for example, with round-the-clock access and no crowds, traffic or pesky salespeople, lends itself to self-service.

ECONOMIST: REPORTS