He also ordered the Joint Vertical Aircraft Road Map Task Force to assess the V-22 production profile alternatives against the department's overall investment in the rotary wing industrial sector and the eventual needs to replace and or refurbish aging aircraft.

CENTERFORSECURITYPOLICY: Center For Security Policy

The Almanac offers a complete guide to the electoral map of Britain, with profiles of every constituency and a biographical profile of every member of parliament.

ECONOMIST: New books to help you make sense out of the nonsense

But those who sip from Twitter's fire hose can get much more information, including a sender's location, the biography on his profile page and how many people have subscribed to his messages (see blog post on the map of a tweet).

ECONOMIST: Making sense of a torrent of tweets