README.txt

From the Rethink Sans download.

Rethink Sans
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Designer: Hans Thiessen
License: SIL Open Font License 1.1 (see OFL.txt)
Styles: 2
Source: https://fonts.google.com/specimen/Rethink+Sans

This font is free to use, share and modify under its license.
Downloaded from FontCart: https://www.fontcart.com