As a result of their various physical and temporal constraints, different forms of communication favor different kinds of messages. A message that is only heard once, for just a few seconds, will be less
logos-centric than a message that stays forever, and which requires a lot of time to read. Heinrichs’ discussion of code sourcing echoes his points from earlier chapters: code sourcing emphasizes the beliefs and culture of a given group, and implicitly excludes people who don’t belong to the group.