Lenovoのインスタグラム(lenovo) - 9月13日 14時15分

On this day in #smarterhistory, IBM released a first of its kind invention that became a standard piece of hardware on all computers. It was about as big as two refrigerators and cost $34,500 in 1956.

What do you think it was?

[BIHAKUEN]UVシールド(UVShield) 更年期に悩んだら

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