We believe these insights could ease some investor concerns around operating margin compression per Kindle Fire unit in 2012, which bodes well for Amazon shares.

FORBES: Amazon Kindle Fire: More Profitable Than Expected?

Henry acknowledges the truth of his childhood lesson as he runs frantically along the margin of the knee- high fire in the yellow- brown grass, flapping his arms to no real effect.

NPR: Excerpt: 'Woodsburner'

Assume that the Kindle Fire is a massive hit, selling several million units at a sliver of a profit margin.

FORBES: iPad Prospects After the Kindle Fire: 65% Market Share and Most of the Profits