I have several notebooks. How can I define the one I'm writing on? What can I do with the Notes App and the Smart Writing Set? Каковы сроки и стоимость доставки? How does the Smart Writing Set work? Как заменить стержень в механическом карандаше Moleskine? Do I have to buy a special notebook in order to use the Smart Pen and the Notes App? What should I do if my Smart Pen doesn't turn on?