The story on the pirate attack of a U.S. ship in Somalia this week provides a good example of when the timeline can be helpful. The graph shows the evolution of the story from the pirate takeover of the ship on April 10th to the release of the ship's captain on the 12th. The timeline also shows the evolution of media attention and coverage of the story, with a peak of nearly 3000 indexed articles written when the standoff ended and the captain was freed.