Code review is like any other interaction pattern that happens asynchronously. Many teams work this way. Remote teams, teams with people on different time zones

Code review is like any other interaction pattern that happens asynchronously. Many teams work this way. Remote teams, teams with people on different time zones, open source projects (what this article seems to be geared towards), etc. Face-to-Face interaction isn’t always possible, and that’s why the advice like the article’s is useful.