“Remote testing neatly sidesteps these issues: the tester is probably sitting in his own house, using the site at his own pace. He’s probably on his own, so he’s happy to chat away and let you know what he thinks and what he’s doing the whole time.”

Social interaction design (SxD) is the practice of designing for person-to-person interactions mediated by a computer interface, going beyond pure usability and human-computer interaction. Even fairly solitary experiences like editing a Wikipedia page occur in a social context in which other users’ past interactions influence what new editors contribute.

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