Enough to fill up Youtube.
That he had hang ups with women was a product of his brain not being capable of the normal range of human emotions, not because he was an introverted nerd.
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The technology is getting better rapidly, but until someone can legally flop wasted into their back seat, at 4 AM, shout "Take me home!" and drunk text their ex-girlfriend like they currently can in a taxi, it's not going to get much traction.
So I'd say we're less than 10 years out from a tech perspective, and n years out from a legal one.
See: http://en.wikipedia.org/wiki/Spin_(novel) (it's a great book)
MS, Apple, etc might pay Google for advertising, but I don't think I've ever seen an Apple or MS banner ad on Google (probably because as a general rule businesses don't pay for their rival's services if the don't have to).
1 extremely poor; poverty-stricken: a penurious old tramp.
characterized by poverty or need: penurious years.
2 parsimonious; mean: he was generous and hospitable in contrast to his stingy and penurious wife.
--New Oxford American Dictionary
Web 3.0 is "Don't make money no matter who builds the content."
The alarmist predictions that OSX will go the way of iOS are off base. iOS is consumption oriented, whereas OSX is production oriented. The bottom line is that they simply don't have the leverage to turn OSX into a walled garden. They tried that back in the 80s and nearly went out of business. If Apple loses sight of that the Mac will die, and Apple will effectively be withdrawing from the PC market. I wouldn't put it past them to one day kill the Mac, their consumer electronics division is way more profitable than their computer division, but I don't see that day coming soon. A powerful development platform is still a key to their brand.