With no inside knowledge of this team or feature, this appears to be almost the exact same feature MS shipped in the IE6 betas over 20 years ago, though without

With no inside knowledge of this team or feature, this appears to be almost the exact same feature MS shipped in the IE6 betas over 20 years ago, though without the ability for 3p to integrate with it: https://en.m.wikipedia.org/wiki/Smart_tag_(Microsoft) https://en.m.wikipedia.org/wiki/Smart_tag_(Microsoft) https://stackoverflow.com/questions/2167301/what-is-the-purpose-of-meta-tag-mssmarttagspreventparsing https://stackoverflow.com/questions/2167301/what-is-the-purp... https://alistapart.com/article/smarttags/ https://alistapart.com/article/smarttags/ Response was extremely negative and the feature was removed. The only thing remaining is the opt-out meta tags all over the web.