A personalized poster calendar is adorned with every attribute that makes it grab people's attention. A photo calendar lets you share your loved moments creatively. A calendar allows you to keep your favorite photos right in front of you always. A calendar is a must have in offices. Though all laptops and smart phones offer calendars, a calendar in your office space lets you plan your month efficiently and also helps you mark important events easily. Calendars are the best to not just keep a tab on the important dates of the month, but also have something nice displayed on your desk.