He was the key person in the development of harness racing in New Jersey.

The only person I've had sex with on Jersey Shore is my boyfriend.

Knowledge is the key to the development of civilization.

Having a grocer like Longo's as part of this development is a key component of what we're offering new homeowners in the towers.

Intellectual property is a key aspect for economic development.

HD DVD is destined to be a key driver for progress and the development of the consumer electronics, IT and entertainment industries.