Fifteen miles from Spain's southeast coast, about 2, 000 homes were built around a well-manicured golf course at the tail end of a decadelong housing boom.
At the tail end of the global economic boom, when concerns about the environment were widely voiced, large "gas-guzzling" sports utility vehicles (SUVs) became objects of loathing and ridicule.
When Donald Rumsfeld became defense secretary in 2001 at the tail end of the dot.com boom, he embraced the belief of visionaries that digital networks would transform warfare.