The way I remember circa 2010, GitHub made two techniques mainstream: * constantly creating branches even for small changes because merges became so magical (e

The way I remember circa 2010, GitHub made two techniques mainstream: * constantly creating branches even for small changes because merges became so magical (e.g. in comparison with SVN) * code reviews because they had nice visual tooling built-in In my opinion reusing libraries came from the OSS movement in general. There were SourceForge&Co before github.