I think you're wrong on the balance of good/harm. Do you know how many people died of cholera? Typhoid? Simple diarrhea? How often have you had ameobocentosis?
Astronomers think that early in its life, Iapetus must have been hit by another moon, sending huge volumes of ejecta into orbit. Some of this condensed into a new moon that escaped into space. However, the rest formed an unstable ring that gradually spiraled in towards the moon, eventually depositing the material in a narrow ridge around the equator. Cassini's next encounter with Iapetus will be in 2015 which should give astronomers another chance to study the strangest mountain range in the Solar System."
I'm not sure you're entirely correct here. I think you're right that "average" people won't be able to do good 3D design, but I'm seeing more and more gallery sites open with very interesting 3D models available for free. I think there's a good analogy to the early computer industry. We had very few users that weren't power users, because it was a pain to learn. But then, more and more people created interesting software and the hardware advanced and it became cheaper and easier to get involved (thanks to shareware, freeware, hardware clones, etc.), and now we've got these crazy pocket computers with amazing apps for $.99. I think 3D printing and production may follow a similar adoption model, we're just in the early-adopter, hobbyist, hardcore geek phase now.
What might a 3D printer do with material to build a robot powered by a Raspberry Pi?
I think this idea really matches what I see in a lot of young gamers now. If you've spent any time on Minecraft lately, you'll find a tremendous diversity of play styles and server types. Having a professionally produced, nicely scaling MMORPG that the players can bring their creativity to, could provide a nice market for them.
How about a source for your temperature claim? I claim the opposite: Anthropogenic Global Warming is occurring. Here's two sources:
I loved Discs of Tron. I was pretty young, but it seemed to me one of the earliest games with multi-dimensional simulation and control (spinng the wheel back and forth, pushing it up/pulling it down, moving around the disc). Definitely one of my favorite games!
I feel very similar, but for me, it's not just the lyrics, but whether or not I have chosen the songs. If I've chosen the songs and know the lyrics and what's happening, I can totally ignore them. If someone else is play music, it distracts me because I'm trying to figure it out or understand it.
And the kids get to play Minecraft on a legitimately performing computer, so they don't complain, right?
Look, if you want to get paid to program, you're going to need to know something about the business or organization you work in. In a ton of cases, that means knowing some accounting, organizational structure, and the actual goals of the business. For anyone who can actually program, that should be too hard.
What companies are working on an implantable version of this device?
What technology would be required for that to work? Wireless power charging, skin port for med refills, PAN (personal area network) for reporting, blood vessel graft or passthrough, anti-rejection coating, what else?