When you set up password security for a PDF document you are first asked to select an encryption level for the PDF file. If you're a computer geek you may immediately understand what this means, but if you're not you may be puzzled. What does encryption mean and how does it affect your security choices?
Is PDF really "unfit for human consumption" (as Jakob Nielsen says) or just misunderstood? Actually, PDFs can definitely be Web-friendly if they are handled with care. We'll teach you how to present PDFs on the Web in a way that minimizes usability problems and unpleasant surprises.
Metadata is data about a key piece of information such as an electronic document or file. For example, consider a video of a soccer match. The metadata would be the part of that video file that says "this is a video of a soccer match" or "this video is called World Cup Playoffs" or "this video is 5,353 kilobytes in size." Programs, images, documents, 3D engineering models, databases, and even entire electronic libraries each can contain metadata which help to bring them further definition, identity, and searchability. We take a look at metadata for PDF and how it you can use it to improve the files you publish.
PDF and Microsoft Word DOC formats are two universally accepted document formats. Each has strengths and weaknesses. So which is the best for your documents? The answer is: It depends. Michael Cartwright takes a look at each of these two popular formats and discusses when it's appropriate to use each.