The immediate access to microblogging service like Twitter means that you can get eyewitness, or even victim, reports live. Like Twitter user 2drinksbehind, who blogged about a plane crash in Denver. Silicon Alley Insider screenshotted the whole thing, but do dig into the 2drinksbehind timeline if you want the real deal.
Fortunately, no one was killed in the accident.
In other news, if you want to be prepared to share your story using a mobile phone, Mashable provides a massive list of tools.