In the part you quote is describing a practice that was historically in place at...

carussell on June 27, 2017 | parent | context | favorite | on: Contribute on Open Source Friday

In the part you quote is describing a practice that was historically in place at GitHub, not the goals of this program. The new program is about contributing to open source once a week:

> contribute a few hours contributing to open source every Friday

> Alternative name: 52 pull requests