We'll need to spend much more time snapping outside of an office environment before passing any formal judgement, but it's easy to see the appeal of such of device -- and the advantage over less-abled point-and-shoots.

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The key to success then is not to provide a lot of formal training, but rather create an environment that supports rapid on-the-job learning.

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And so the U.S. officials that we spoke with stress that that is why this interim deal - or protocol, as they're calling it - it's not a formal agreement, because, again, this is a changing environment.

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According to Brazil's environment ministry, only 18% of the entire country's recycling is done as part of a formal program.

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