To illustrate:CC0 allows LLMs to distribute, remix, adapt, and build upon the material in any medium or format with no conditions. The license allows for commercial use, but credit must be given to the creator. The license allows for commercial use. The meta tag is the wayOnce a publisher has identified an appropriate license, this license still needs to be communicated. The proposed meta tag solution won’t prevent the content from being used that way, but neither will the robots.txt file.