I usually have to take a deep breath when topics of this nature come up either in real life (or in this case) on the web. As a technology addict in general, I have found one thing to be true - that technology has the dual effect of enriching people's lives while at the same time "dumbing" them down either intellectually or
socially. You see the contrast in today's youth, versus those of us who are old enough to remember what life was like without the internet and cell phones. How did we ever survive??
I also agree that the internet has enriched my own life and has been a source for learning, education, entertainment - no small emphasis on the first two - but that it has to be utilized wisely. Going go TMZ.com every day to check on the latest celebrity gossip in my opinion is only driving one's IQ down in the process and is doing absolutely nothing for their social life.
I believe that balance is the key - in anything. As a human population we have come to rely on things that not but for a few short years ago were still considered "novel", are now commonplace and have revolutionized the way we go about our lives. Things happen now at the speed of light (bank transactions, paying bills, finding directions, making purchases on things, finding relatives, friends, etc. So the internet's usefulness cannot be discounted. I don't think anyone would disagree with me on that. However, there does come a point where we have to realize that we are still human after all, and not everything that makes us human exists on the World Wide Web.
I'm a tech geek as much as they come, and if I can say that... also, this is ironic that we're discussing the pitfalls and benefits of the internet, while we are on the internet.