We often use objects and tools for purposes far different than their intended use, for example, cutting parcel tape with a key or proping open a door with a heavy book. This process of appropriation can be used for technology, for example colouring cells in a spreadsheet to act as a rough image.
Used on Chap. 19: page 456
Also known as appropriating technology
Links:
alandix.com: Designing for Appropriation