Folio - a book (or manuscript) consisting of huge sheets of paper folded in the middle to produce two leaves or 4 webpages; "the primary folio of Shakespeare's performs" Through the entire twentieth century, libraries have faced an at any time-expanding fee of publishing, occasionally termed an data explosion. The https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw/channels