Above all, it involved an intimate knowledge of the enemy which perhaps only an African commander can muster in this sort of war.

BBC: Farewell to the general

Share-buying by corporate insiders can have an outsize impact because it suggests that people with intimate knowledge of the company believe it is too cheap.

ECONOMIST: If no one else can help

As a child growing up in a poor region of southern Algeria, Abou Zeid had little formal schooling, but his intimate knowledge of the border with Libya made him an expert smuggler.

CNN: STORY HIGHLIGHTS