Back to the future The pen might be mightier than the sword, but it isn’t much cop against the smartphone, which is a bit of a problem for makers of writing instruments. Montblanc has come up with a novel invention for those who prefer pens but need to be digital. Now you can directly transfer notes and sketches from paper to device at the click of a button. The new Augmented Paper set comes with a StarWalker ballpoint pen with three refills, a notebook, a leather envelope and a USB cable…