Another witness heard a "pop" like a paper bag being banged and both people saw objects "separate from the helicopter" before it fell to ground.

BBC: Ely helicopter crash

Check out "big box" retailers like Costco (nasdaq: COST - news - people ) for food and paper supplies.

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In the past, most internet transactions required a credit card or an online payment system like PayPal (NASDAQ: EBAY), creating an effective digital paper trail for people engaging in online transactions.

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The problem, though, is more fundamental: Just like our constitution, it turns out that words on paper cannot, of themselves, control what people do.

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