Read these excerpts from two passages. E-books or Print Books? That Is the Question. "It's much easier to purchase an e-book spontaneously," M.K of Boston, reports. "They are less of a commitment, easier to discard, and there is no need for bookshelves!" They can be delivered in seconds, are less expensive to buy, and don't require transportation costs or create pollution due to shipping books across the country and around the world. Click It or Brick It On the other hand , everyone I spoke with noted the convenience of shopping online . Shoppers can purchase items any time of the day or night-they can shop in their pajamas if they wish. They do not have to drive anywhere, and there are no crowds or long lines. With a simple click of a mouse or a swipe on a touch screen, buyers can purchase their merchandise and move on to other activities. What is a common theme in these excerpts? The problem of impulse buying. The convenience of shopping online. Finding deals while shopping. Shipping costs associated with online purchasing.