As the Internet continues to bring people and countries even closer, the patchwork nature of regulations is another headache for any company that starts climbing the hockey stick of adoption.

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Finding a drug that would stick was akin to climbing a sheer cliff with no cracks.

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When you - you're crack climbing a thin crack, you stick your toes into the crack and then kind of wrench down on to stand up, and it's painful.

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Now, it doesn't stick as good as a climbing foot or a shoe, a human foot would, but I think, you know, in that respect, my calves don't get tired on that side and I - my wife says it's completely aid climbing, which she says it's cheating.

NPR: Craig DeMartino: Winner in the Extremity Games

The feeder then threads another piece onto the stick and a furry mountain of animals descend upon him, snarling and climbing over each other to grab it.

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