The study of library science includes library management, the preservation, archival, and dissemination of information, the development of information technologies, and research education. Librarians can specialize in any one of these areas, and many have responsibilities that require expertise in all of them. Tasks librarians might have include the following: Cataloging items in a library's database Developing taxonomies to organize data Implementing new technologies to update the organization of old collections Using research skills to answer reference questions Facilitating educational programs for students and the public Managing a library branch, including other employees Keeping a library's collection up to date by ordering new books and resources Perhaps you're interested in becoming a children's librarian, or you may want to participate in the archival of scientific information. There are many different types of libraries, and librarians may have a variety of responsibilities within them. Public libraries have branches that are open to anyone who wants to obtain a library card. They often have public education programs to promote literacy for both adults and children. They play an important role in providing the public with free access to information. Librarians in public libraries take on a customer service role as well as making sure the collection is up to date, communicating with other libraries, and facilitating public programs. School libraries are an important part of grade schools and middle schools, and serve the function of providing children with the resources they need to receive a well-rounded education. School librarians teach children research skills and help to develop children's interest in reading as well as managing the library itself. Academic libraries are found at colleges and universities, and they have comprehensive collections that serve the needs of students pursuing higher education. Academic libraries are often specialized, with separate buildings for a law library, a science library, an art library, and so on. Librarians at academic libraries work at reference desks, catalog new materials, help students with complicated research projects, archive special materials, and keep libraries operating as cutting edge purveyors of knowledge. Librarians at specialized libraries often need secondary degrees, such as a degree in law or within the field of science, to be qualified for their positions. Many people who love reading are interested in becoming a librarian, but the job requires much more than an appreciation of good books. Good librarians have a passion not just for knowledge, but for finding the best way to organize it. They're concerned with preserving information and making it as accessible as possible to those who need it. Many librarians describe their decision to pursue library science as a calling to share information with others. With today's ever-changing information technology landscape, librarians have to be technologically adept. Some library science programs now require classes in coding. Not every librarian interacts with the public. Some librarians spend more time on archival, cataloguing, and other tasks. If you love information, but don't necessarily feel passionate about education, library science could still be the right field for you. Contact the librarian in a library that interests you, whether that be a public, school, or academic library. Arrange to have a meeting so that you'll have the opportunity to discuss librarianship with someone who has chosen that career. Ask the librarian about his or her specific job duties, so you'll know what to expect. Ask how he or she made the decision to become a librarian, and what traits librarians should have. Ask which Masters of Library Science (MLS) programs he or she would recommend.
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One-sentence summary -- Understand what defines library science. Know about different types of librarianship. Decide whether you're cut out to be a librarian. Conduct informational interviews to learn more.

Viruses often use your phone or tablet's data plan while running in the background. This may cause sudden spikes in data usage. Check your billing statement for abnormal charges from increased data usage. Some viruses may make purchases or download apps without your knowledge. If you see an app icon on the home screen or in the app drawer that you don't recall downloading, it could be the work of a virus. Even if the app looks legitimate, use caution if you don't remember downloading it. If an app that never caused any problems in the past begins crashing frequently, a virus could be the reason. Pop-ups might not seem out of the ordinary while browsing the web. However, when you're suddenly inundated by pop-ups, your Galaxy may have an infection. Whatever you do, do not tap on any links in pop-up ads. This could make things worse. Since viruses run constantly in the background, your Galaxy may need more frequent charging. If you use used to charge the Galaxy every 2 or 3 days but suddenly have to charge every day, a virus could be the culprit. Your Galaxy comes with its own security application, but you can use any you prefer. See Running a Security Scan to check your phone or tablet for viruses.
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One-sentence summary -- Check for increased data usage. Analyze your bank account for unexplained charges. Look for apps you didn't download. Watch for frequently crashing apps. Pay attention to pop-up ads. Monitor your battery usage. Run a security scan.

Use the horsehair brush that comes with many shoe cleaning kits, or another soft-bristled brush. Alternatively, you can use a piece of clean, soft, lint-free cloth, like a strip of an old t-shirt. The more often you do this basic surface cleaning e.g., every time you take the shoes off the easier it and the rest of the cleaning process will be. Save your old t-shirts for shoe cleaning and polishing. They'll come in handy often. Remove the laces from the shoes before continuing; they'll just get in the way. Lightly moisten another clean cloth and work in a small amount of either saddle soap or leather shoe cleaner. Rub the shoe firmly but not aggressively. For stains caused by road salt, try applying a two-to-one mix of water and white vinegar with a clean cloth. Lightly dampen the leather; don't saturate it with the solution. If you have caked-on, clumpy layers of old polish to contend with, try adding a bit of nail polish remover (acetone) to cotton balls and wiping gently. This should remove the old polish. Give the shoes a bit of time to dry fully if you used any liquids in the cleaning process, then apply your chosen product to make the leather more soft and supple. You can use a leather conditioner, saddle soap, or an oil renovator (like mink oil), all of which can be found alongside other shoe repair products. Follow the product instructions for application, but remember that a little goes a long way no matter what you're using. the shoes. Choose either a wax or cream polish, or even start with a layer of cream followed later by wax. Shoe cleaning kits include a brush meant for polishing, but a strip of old t-shirt fabric works quite well also. Apply a small amount of polish to the brush or cloth, and work it onto the shoe with a circular motion. It's better to add small amounts of polish multiple times than to glop on too much at once, so take your time. After you've finished applying a coat of polish, buff the shoes using a clean cloth and the same circular motion. Buffing evens out the wax, helps work it into the leather, and removes excess. If you want to add one or more additional layers of polish, let the shoes dry for a short while between rounds, and always buff after polishing. If your goal is a mirror-like sheen on your shoes, polish and buff at least twice apiece. Then, after the shoes dry a little, sprinkle a few drops of water on them and buff them with the cloth used to apply the polish. Keep repeating this process (with brief drying intervals) to further enhance the shine. If possible, let the shoes dry overnight, then give them one final buff with a dry cloth.
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One-sentence summary --
Brush or wipe away surface dirt and debris. Rub away stubborn dirt, scuffs, and stains. Nourish the leather after letting the shoes dry. Polish Add a "spit-shine," if desired.