The growth of the free operating system, Linux, is leading all the big Unix vendors to revise their pricing.

ECONOMIST: Microsoft: Togetherness | The

Russia appears close to agreeing a deal to revise the anti-ballistic missile treaty - lifting its objections to an American system of missile defence.

BBC: Shanghai showcase

Instead, we call on the regulators to revise the rule so that it accomplishes the goal of producing a safer financial system, and one that serves the real economy instead of preying on it.

FORBES: Volcker Rule Is Out, How Much Will It Hurt?

Each activation of the system, whether real or simulated, is an opportunity to identify weaknesses and revise procedures.

UNESCO: Social and Human Sciences