There are even myths about filtered water, and how much of a benefit it is when applied to most municipal tap. According to another article I read, the most benefit that filters offer is to make it "taste better", but that any of the impurities they claim to filter out are in such trace amounts that they are not harmful to people anyway.
My wife is one of these people who finally had to be told by her dentist that drinking tap water would actually help prevent cavities... But she's still slow to come along. I mean, brainwashing isn't always easy to reverse... Heck, when our fridge water filter light turns red, she bugs the heck out of me to replace the filter ($40 a pop), and starts stocking bottled water en masse until I do, as if the water became toxic overnight. So a few weeks ago, I was really, really curious as to what was in these filters, and took a hacksaw to the old one... and what did I find inside? No, not a dirty filter, but rather a solid core with a hole running all the way thru that looked and felt much like a giant magnet!!! I went immediately to the Internet to find out how the hell this was helping "purify" our water, and it apparently is based on ionization technology that draws the impurities out of the water that passes quite rapidly and unobstructed thru the tunnel. Whatever!!! Next time that freaking light turns red, I'm just going to press the reset button and get another 3 months out of it... haha! She'll never know the difference, guaranteed.
So we have millions and millions of Americans griping about spending $4 for a gallon of gas, when they are easily spending more than that for bottled water! And now comes this article that good ol' tap water is making a comeback. Finally, people are getting a freaking clue...
http://www.foxnews.com/story/0,2933,368241,00.html
So the next time you start to dish out a couple of bucks for a bottle of Evian ("Naive" backwards, if you haven't noticed), stop and think to yourself -- "What would Don drink?"

T-Bone Edited To Add:
http://www.youtube.com/watch?v=v2qydjVbLJk
This will make people think....