Magazines contain articles, stories, pictures, graphics, features of interest and advertisements. Printing magazines are usually saddle-stitch bound, flexible in the number of pages and printed in full colour and/or black and white on glossy paper including the cover. Businesses, churches, education, schools, universities, financial services, fund raising organisations, government, medical, writers and more publish and mail Magazines because they are experts in their industry or perceived as being knowledgeable. Magazines are used to educate and inform on important subjects and can be a descriptive and visual information source and used as reference material. Magazines are affordable, convenient to read and can be saved, shared and read again.