These days, the word "big data" often enters the stage in the world of the IT.

However, before talking about "big data", I often realize that we do not use "data" itself.

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By the way, first day of this long holidays, I came back to my country house by car unusually.

It is about 350km roughly from the home to the country house, the use of the expressway is as premise.

This time, I completed homecoming without traffic jam.

It is an easy story.

I can take off a place and the time when a traffic jam is generated.

Frankly speaking, I have just two policies "I start movement in the middle of the night" and "I sleep in parking area at the outbreak time of the traffic jam"

If an accident occurs, I do not go into the traffic jam and watch the program which I recorded with the notebook PC which I brought into the car in parking area. I can use time effectively in various meanings.

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However, many people might say "the hours can not be arranged" "I understand it well".

(To be continued)