It was about when I went to Costco the other day.
There seemed to be "Major career switching campaign" inside the store, a sales person approached me.
"Which carrier do you use?"
When I was asked, I laughed with grinning, I said a word.
"Cheap carrier of 500 yen per month, data communication only"
After that, the sales person had a facial expression with be frustrating, he just kept silent.
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Lol. Haha...
I came up to implementing IP packets 20 years ago, and I have already made smart-phone environment that movies contents are available.
My level is far from yours. That is the level.