• An agile software development technique in which two programmers work together at one workstation. One, the driver, writes code while the other, the navigator or observer, reviews each line of code as it is typed in. The two programmers switch roles frequently. While reviewing, the navigator also considers the “strategic” direction of the work, coming up with ideas for improvements and likely future problems to address. This is intended to free the driver to focus all of their attention on the “tactical” aspects of completing the current task, using the navigator as a safety net and guide. ← Wikipedia

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