like, when i search for that phrase i get a lot of pages like https://www.marctech2.com/news/e-paper-faq-and-applications which is obviously llm-generated bullshit, some pages like https://goodereader.com/blog/e-paper/swedish-startup-rdot-is... with a conflicting number of 4 millijoules per square centimeter, and no links to actual sources who took measurements