The problem, there, would be too many false signals at other times.

FORBES: Market Timing Is Serious Work, Not Sorcery

It is striking that investors are looking for reasons to make riskier investments (buying shares, for example), which most would see as a good sign - although this would be self-defeating if it provided false signals to European government heads that they need to be less bold and ambitious in constructing a three-pronged rescue package for the eurozone.

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On the other hand, rules put in place that would slow the death of fraudulent or insolvent firms will mean more, rather than less, in the way of investors will be ensnared by false market signals.

FORBES

Begin reading at the wrong base and the whole message will be gobbledegook which could easily include false start and stop signals.

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There seems to have been a sequence of technical faults (reportedly, a problematic transformer, false alarms, failed signals and an apparent power surge) at about the same time in a small area of the power grid serving London.

ECONOMIST: Power industry

Matters are confused by many false alarms from nervous merchant seamen and spoof distress signals sent by pirates to divert navies.

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The automakers still have a mountain of issues to sort out, including how to rank incoming signals by importance, how to minimize false alarms and how to make the networks secure.

FORBES: Car Talk