https://xrpcommunity.blog/web-monetization-has-begun/
https://xrpcommunity.blog/coil-wordpress/
https://medium.com/interledger-blog/simplifying-web-monetization-871aee326170
https://www.stedas.hr/web-monetization-coil.html
https://www.reddit.com/r/Ripple/comments/9bj13v/web_monetization_has_begun/
3 examples: https://en-ca.wordpress.org/plugins/search/coil/