One of the key aspects within the Internet Communications course is the interactive learning programs that have enabled many users to become better at a skill and increase their knowledge in a subject. There are many mobile apps and websites that offer services that are interactive learning programs. There are those you can pay for, those that are free, and those that are free but offer a premium service at a cost. All the apps in this section either have high ratings in the app store or are well known in the aspects of skill betterment and supplemental education. Currently, the most popular language-learning app is Duolingo . This app has 28 fully developed language courses for English speakers as well as another 4 that are being beta tested. Spanish is currently the most popular language for English speakers to take while the least popular is Navajo...