ll in Version Control, you can look through history, see when and how things have changed over time</li>
                    <li>Want to know when you upgraded the version of a library you install, just do a`git blame` on the line in the Playbook</li>
                    <li>Code reviews are great</li>
                    <ul>
                        <li>Shares knowledge</li>
                        <li>Gets feedback</li>
                        <li>Other people outside you team can understand how to hints 