Nokia has launched a new web ad for its Lumia 2520 tablet running Windows 8. The Lumia 2520 is similar to the Windows Surface tablets from Microsoft and includes a larger battery in its separate physical keyboard to push battery life to as long as 16 hours. The new ad pokes fun at Apple's tablet by making references to the iPad Air's new 'Pencil' television ad and suggesting that iPad owners will need to carry a notebook everywhere because the iPad has no keyboard. Ah, working on the move. Goodbye laptop, hello new tablet! Here we go, everyone wants one! Yes, my friends, it's thin. Thinne