(ICT) There is still a good deal of confusion about what the terms Kilobyte, Megabyte, Gigabyte, etc mean. Traditionally, the terms kilobyte, megabyte and gigabyte are used to express the binary multiples of 1,024, 1,048,576 and 1,073,741,824 bytes but, because people are used to thinking decimal rather than binary, the International Electrotechnical Commission (IEC: http://www.iec.ch) approved in December 1998 a new standard for names and symbols for use in the fields of data processing and data transmission. This was adopted in January 1999 by the Institute of Electrical and Electronics Engineers (IEEE:http://www.ieee.org). Thus kilobyte,megabyte and gigabyte should now be used to express the decimal multiples 1,000, 1,000,000 and 1,000,000,000 bytes. New terms, kibibyte, mebibyte and gibibyte, were approved to be used to express the binary multiples 1,024, 1,048,576 and 1,073,741,824 bytes, but these still have not caught on among the general public. See: http://physics.nist.gov/cuu/Units/binary.html. We are grateful to Daniel Thibault for drawing our attention to these changes