What these discussions need is the introduction of a fourth variable: The programmers using agile methodology will tell you to consider scope.

FORBES: "Release Early and Often" Only Works If You Do It

She wants the federal government to make the billions it gives each year to local police forces conditional on their reporting of complaints of brutality and the introduction of monitoring systems to identify police officers given to using excessive force.

ECONOMIST: The police

The introduction of innovative technologies, such as enabling customers to pay using their phones, should increase convenience and enhance the customer experience at stores.

FORBES: Starbucks Brews Up Smartphone Payment Platform

They were particularly furious that the gradual introduction of pay-beds had, as they claimed, led to consultants using their services for fee-paying patients.

BBC: Handle with care