Note-taking is one of the best habits anyone can instill. The mere act of writing whatever you learn in lectures, seminars, and even life in general, can have a profound impact on your life. Taking notes manually on a book can for lectures or organizing...

PDF is short for Portable Document Format and it is a versatile file format for sharing documents online. For example, many contracts and documents are signed virtually and saved as PDFs because the format tends to be more secure. PDF files have been...