Jordi Baylina presented on the subject of ERC-777 at DappConn: https://twitter.com/lucasvo/status/1020294291627954176
The repo and reference implementation:
https://github.com/jacquesd/ERC777
Discussion on the GitHub issue:
https://github.com/ethereum/EIPs/issues/777
“Everything you need to know” overview of ERC-777 by @alexvandesande on reddit:
https://www.reddit.com/r/ethereum/comments/7qjw6x/everything_you_need_to_know_about_erc777_the_new/
“ERC-777 A New Advanced Token Standard” by Ankur Daharwal
https://medium.com/coinmonks/erc-777-a-new-advanced-token-standard-c841788ab3cb