3 ms·All of those studies were funded by Big Pencil companies...a lot of bias.by dougSF70 4y agoAll of those studies were funded by Big Pencil companies...a lot of bias.labster 4y agoPentel, more like cartel, right?dougSF70 4y agoExactly!quitit 4y agoShh, they'll send Big Eraser to rub you out.