This document summarizes how the author uses various technology applications in their PhD studies. It describes 12 applications, including Dropbox for file storage and sharing, Mendeley for organizing research papers, Scanner Pro for digitizing documents, Easy Bib for citations, Kindle for reading books and papers, Google Scholar for research, Keynote for presentations, Outliner for outlining papers, iTunes U for course materials, and sources for references. These applications aid in tasks like file storage, research, note taking, outlining, reading papers, and creating presentations.