Old news is re-surfacing about reading comprehension and retention in reading online vs. reading on the printed page. In 2007 a research study reported a 50% drop in comprehension and retention in reading when on screen vs. on the printed page. That study disappeared for seventeen yers and now a new study proves the point once more. Read about it here!
https://www.biorxiv.org/content/10.1101/2023.08.30.553693v1.full