A gibibyte is a unit of data storage that equals 2 to the 30th power, or 1,073,741,824 bytes. A gibibyte is 1,024 Mebibyte and precedes the tebibyte unit of measurement.

The use of “GB” or “gigabyte” to refer to 1000000000 bytes in some contexts and to 1073741824 bytes in others, sometimes in reference to the same device, has caused some confusion among consumers. In a few cases this has led to legal challenges against the makers of storage devices. 

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Martin Cooper (inventor) Inventing handheld cellular mobile phone Making world’s first handheld cellular mobile phone call. Martin “Marty” Cooper (born December 26, 1928) is an American engineer.