They floundered, despite identifying very good solutions for pretty impressive market needs, largely because management chose to spend almost all its attention, and resources, defending and extending its on-line ad sales created around search.

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They are able to get away with their crimes because the operation of almost all business is based upon trusting employees with resources and responsibility.

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At the heart of almost all of these issues is the problem of scale: of finding ways to make high-quality educational resources--whether it's brilliant teachers, innovative lesson plans or inspiring new teaching methods--reach not just a handful of students in a single classroom but hundreds of millions of students around the globe.

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His immediate problem is the Niger Delta, the source of almost all of Nigeria's oil wealth and the battleground for numerous local wars, with rival groups fighting for resources and the largesse of the big oil companies operating there.

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