The IT Insights blog is taking the day off, in honor of Martin Luther King Jr. Day. We will be back on Wednesday, Jan. 18. Here at TestOut Continuing Education, we often encourage IT professionals and other learners to do something for themselves. It's good to occasionally be reminded, however, of how much other people matter. As Dr. King once said: "Life's most persistent and urgent question is, 'What are you doing for others?' "