Or perhaps, they chose to stay hidden from the daily flurry of human activity.

BBC: Where The Jungle Book comes to life

An ever growing swarm of highly-advanced malware, which continually morphs to stay hidden, is overwhelming security software.

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Just imagine if one of your reports embarrassed you by exposing things you wanted to stay hidden.

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With speech likely to replace fiddly keypads as the main user interface, phones may increasingly stay hidden in pockets and briefcases.

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And unlike prankster virus-makers, these malware makers are determined to stay hidden.

CNN: Twitter message could be cyber criminal at work

The mountain's wolves stay hidden, preferring to keep away from humans.

BBC: Qu��bec's wood runners

Stay hidden, do not move anywhere!

CNN: 'Mom, don't panic ... but there's a gunman going loose here'

Mr Brockman said the idea that the Spitfires were hidden to stay out of enemy hands was not necessarily correct because Japanese forces would have not been in a position to use them at that point.

BBC: Search for missing Spitfires in Burma due to begin

If you're sensing hidden agendas in a business, check it out and stay away!

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