On the other hand, while those activities may be considered more 'wholesome' and constructive, it is the massive information sharing era and evolution that will advance the general knowledge, IQ and intellectual potential of our species.
Instead of our muscles growing, our brains will grow.
Sure, checking someone's facebook status isn't very educational, but settling an argument with a quick visit to Wiki is, and really they come under the same category of 'online life' as opposed to outdoor life.
All that said, we still managed just fine before the internet.
The device creates the need.
Sure it's handy and of course I use it a lot myself for finding out who starred in which movie or find out how to take my PS3 apart.
Or build RC cars from junk.
Advance the IQ and intellectual potential?
Maybe for a small percentage of the population.
mostly I explore the world from my desk. And I am quite effectively exporing the world doing that, something which was impossible just 15 years ago.
All you're "exploring" is pictures and videos.
A poor substitute for visiting the location in person.
I'm not saying the internet is bad, of course not - it's awesome, but it's important to teach kids how to use tools and create physical objects and not just live in the virtual world.