according to this Google search which I found while trying to find a way to block the latest irritation, or at least stop it starting up again and again and again. [[https://www.google.com/search?ei=5002XPLDB9Ok1fAPzN2e4AI&q=stop+video+ads+on+mumsnet&oq=stop+video+ads+on+mumsnet&gs_l=psy-ab.3...32388.41121..42010...0.0..0.83.1066.16......0....1..gws-wiz.......0i71.jYg_PgC2Cz0]]