We've all heard it before, but it really is true how the internet, most importantly, and recent technological advancements have taken a lot of the power from corporations and into the hands of the individual.
It's mostly about a power struggle of who controls the information.
Just look at the Monica Lewinsky scandal - it was broken by a poor twenty-something with a modem and a source. This prisoner abuse scandal is another testiment to the power of technology and an individual. Additionally, bloggers have been credited with bringing the Trent Lott racist Strom Thurmond comment to the forefront - they took him down from the Senate Majority Leader position.
On the security end of things, the world changes because of people who would otherwise be insignificant.
In 2000, Ebay, Amazon, Microsoft, and Buy.com were taken down by a 14-year-old in Canada. Most recently, the Sasser worm was written by an 18-year-old nobody in Germany.
The title of "powerful" as been redefined, formerly exclusive to the rich and mighty, but now handed to anyone with the know-how and the will.