In a world of digital saturation, I find a paper planner an outstanding way to get my face away from the screen and gain perspective. Not only appointments but also each day's activities and notes go onto the page, which then serves as a kind of personal journal as well as a list if reminders.
All of the Blueline diary-type products are good, but this design is especially well laid out, sturdy and pleasant to use. The paper is serviceable; not quite ideal for fountain pens but good enough. And it has the bonus of strong eco-credentials. Highly recommended.