The document describes a new smart book called the Mono that functions as a digital notebook. It has touch and write capabilities, auto save, mode switching, a projector keyboard, built-in dictionary and atlas, uses solar energy, and stores mathematical formulas. It is being sold for 2,999 rupees in Chennai and is being promoted through media and online. Its unique selling points are that it is eco-friendly, less of a burden than traditional notebooks, and represents an advancement in technology. Customers can order it by phone or through online booking, and its official website is www.mono.com.