That explains the problem with the old cookie method and multiple devices well which is why I much prefer the new method. I browse the forum multiple times a day on 4 different devices and now have no problems keeping up with new content. I click New Posts and it accurately shows me anything posted since my last visit regardless of device. I browse the list and read and respond to anything that catches my eye. Then I mark Forums read. If I immediately click New Posts it accurately shows me there is nothing new. A few hours later even on a different device New Posts shows me only content posted since I last marked Forums read. Rinse and repeat seems to work just fine for my needs.