Here's another way that bloggers can have an impact on the world. For some time now, tech blogs have been complaining about the tendency of the batteries in Dell Laptops to explode and burst into flame. Here's an example. Here's another example. Here's another example. Here are photos of a Dell Laptop exploding at a conference in Japan.
Dell has now announced what may be the largest recall in the history of consumer electronics. It's possible they would have done this anyway but the bloggers probably hurried things up a bit. And that means that a few less laptops will go kablooey, which is a good thing.
By the way: You can't bring a bottle of Arrowhead Mountain Spring Water onto an airplane in this country. But you can bring a Dell Laptop with a battery that can explode and burst into flame. Fill in your own snide remark.