Back then many companies ran a free, open-source e-mail relay technology but ended up spending more than they thought they would making the stuff work.

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The family have been told that a search due to take place in the summer did not happen because PSNI resources were needed at the Irish Open Golf and the Olympic torch relay.

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During Sunday's game, the relay device triggered, signaling a switch to open when it shouldn't have, causing the partial outage.

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He was the author of a number of discoveries relating to the telegraph industry, including a self-adjusting relay that solved the problem of circuits sticking open or shut, and a telegraph printer a precursor of what was later called the Teletype machine.

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The first relay runner to take the flame was Greece's Liverpool-born open water swimming champion Spyros Gianniotis.

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