Whether taking and sending photos or looking up directions on the go, smartphones have become an essential accessory for many globetrotters.

BBC: Rating smartphones for global travel

Carrying around an iBook, an iPhone or iPad has become the essential accessory of a certain kind of bourgeois bohemian.

FORBES: The Religion of Apple

Ms. Easley added one more essential accessory: good posture.

WSJ: Rethink: Pencil Skirts | Off Duty Spring 50

He is not just that staple of political novels, the talented son of an artisan, who becomes a socialist and then goes on to turn himself into multi-millionaire, government minister, owner of the New Statesman and (an essential accessory, this, in the laddish culture of New Labour) part-owner of a football club.

ECONOMIST: The