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Correlation between NASDAQ price, Corn and Gold(Corr=0.945)

 I wrote Python code which shows Correlation between NASDAQ price, Corn and Gold(Corr=0.945). Corn and Gold are best mix I have found. https://gist.github.com/Kouhei-Takagi/a1a9b073f6cd6dacb7eb1ea871d8fd3c I changed some important parts. https://gist.github.com/Kouhei-Takagi/5becaf7c3a24d63ac9c56856e81297f2
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Addiction for digital communication

2017/4/15. Personal computers are doors of personal life

If some hackers open the door secretly, not everybody notice it. Security for life includes computer security.
Computer security will be more and more important.
How to save our security? 
Saving as analog media is one important solution, such like hand writing memo.
I like to use hand writing. 
Some IT company aim to scan and memory all data in the world, but it's not perfect. On my experience, there are a lot of non-verbal skills & technology.
Fashionable technology is not always good for us. I am surprised at the scenes in the train that all people touched smartphones in their hands, and the train was perfect silent. I feel that this situation doesn't keep so long. People takes communication & talk through their smart phones. This is crazy, I feel it deeply. People doesn't live in digital world, just like movie. In addition, when people talks with their smartphones, they thinks they are talking. But the communication is not analog, because their talking is passed through digital world. I mean that their talking is digital data. Without non-verbal communication, the communication is digital.


People will realize in sooner or later that digital communication forces them for wanting more & more digital communication, just like addiction for communication.

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