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Hacking X for Y: n.

[ITS] Ritual phrasing of part of the information which ITS made publicly available about each user. This information (the INQUIR record) was a sort of form in which the user could fill out various fields. On display, two of these fields were always combined into a project description of the form “Hacking X for Y” (e.g., “Hacking perceptrons for Minsky”). This form of description became traditional and has since been carried over to other systems with more general facilities for self-advertisement (such as Unix plan files).