Elon Musk clearly has a blind spot about manufacturing. Building a giant factory for the first use of a new process does not work, and theoretically it cannot work. Even if it did work, it would be non-competitive. Once a factory is built and machines installed, subsequent new discoveries/knowledge cannot be incorporated, except at the margins.
To reach the 100-megawatt goal, sources indicate that the pilot production line in Fremont would eventually need to yield between 800 to 1,000 high-efficiency Whitney panels per day. But the team was not able to automate the process consistently enough to produce more than dozens of Whitney panels per day, according to people familiar with the matter. Most of the production resulted in “scrap,” they say. “The big problem was simply that they couldn’t scale up the technology to the point where you could run it in a factory,” a source familiar with the development explains.
Source: Can Elon Musk Get SolarCity’s Gigafactory Back On Track?
Selling “light,” not light bulbs, is one way that companies providing long-lasting bulbs hope to stay in business, even after “socket saturation” sets in.
Source: Trying to Solve the L.E.D. Quandary – The New Yorker
TL;DR It will take 5+ years for standards to get sorted out in home automation. Until they are, devices from different companies will not be compatible. Anything that you buy and install now will be inconvenient (you will need multiple interfaces) and become obsolete in a few years.
Now that there are many genuinely useful and modestly priced home automation devices (and I don’t mean smart refrigerators), we are ready to enter the rising portion of “the S curve” where penetration increases. Most of the devices can be retrofit, which will make uptake much easier.
But right now, most vendors have their own protocols. Common protocols are needed at 3 layers: the user interface, such as a mobile phone/computer app (or web site), physical communication such as Bluetooth, Zigbee, or Wi-Fi, and data protocols (API’s, essentially). Most vendors appear to be moving toward a hub and spokes arrangement, where the hub handles communication to the user and outside the home, so there will also be competition for whose hub customers buy. Finally, I would add security as its own “layer,” since it is so important and currently completely neglected.
With the new A9 and A9X chips in its iPhones and iPads, Apple has mobile chips that are better than Intel’s. In fact Apple’s chip business is a very impressive technology story. I don’t have time to put together a full analysis, but I have collected some recent articles.
Many sources are suggesting that Apple’s current chip generation (A9 and A9X) is better than Intel’s in low-power (mobile) performance. I guess it’s not news that Intel is behind Qualcomm in mobile, but I still find it surprising that Apple’s own chips are apparently better than X86 for Macintosh low-end laptops!