I know that you provide a brief introduction to glitches & glitch art below in the next section, but it seems like this introduction needs its own accessible intro to or overview of glitch(ing). Specifically, you may want to clarify that it's a set of activities that work with code in ways unanticipated or unintended by the original developer(s)--a point of detail that can help set up the discussion of metaplasm and transformation toward which you ultimately work.