Two adjacent countries grow a largely indistinguishable crop but offer farmers different prices: then people are shocked, shocked, that smuggling takes place across the border.

FORBES: Fixed Prices and Permeable Borders Just Don't Work

The success of mobile HD voice in these adjacent countries, alongside their linguistic and cultural proximity, is at the root of Orange Romania and Orange Moldova's decision to extend the mobile HD voice offering between their two countries.

ENGADGET: Orange begins first HD Voice calls between countries, decides clarity knows no borders

The Korean situation epitomizes the fundamental danger when rich and poor countries live adjacent to one another.

FORBES: Korea Conflict Shows That Borderlands Are Zones of Danger

MultiChoice is available in just under 50 countries on the continent and adjacent Indian Ocean islands, and CNN continues to provide our subscribers with cutting-edge and incisive news from around the world.

CNN: CNN African Journalist of the Year Competition

Now about 500 scientists from about 30 countries work in the Wellcome Trust Building and the adjacent Medical Sciences Institute.

ECONOMIST: Biotechnology in Scotland