But he urged caution, warning it would and should be a long process.

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But the company managed to throw a wet blanket on the proceedings, warning of increased caution among customers and showing inventories that are up 9% from the previous quarter.

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He said research in Britain, Australia and the US suggested that a warning or a caution from a police officer tended to stop stalking but only "if it happens before the obsessive behaviour becomes ingrained".

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As you can see in the screen shot below (from the Ars Technica article), you can provide links to your files (either containing the key so someone can access them directly or by providing them with the key separately) but you are prompted with a caution about not transmitting the keys through insecure channels and a far-reaching copyright warning.

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It said it wanted a "traffic light" warning system for drugs - with green for those safe to take and drive, amber for caution and red signalling severe adverse effects which would dangerously impair driving.

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