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Ryan McGeary
4.29
Description:
Software projects are collaborative. They usually encompass many months or years and are touched by several developers along the way.
Communication is key to any good software project. Strong, well written, commit messages are one way to increase communication and documentation with very little overhead.
The project history plus a strong blame engine give us the power to answer future questions about what we were thinking at the time something was added or changed.

The bad ones are fun to laugh about, but the "how to write good ones" part at the end was too rushed.