Pages where you can learn different things

You can learn different things
Social
"Coursera works with universities and other organizations to offer online courses, specializations, and degrees in a variety of subjects"
Udemy
Social
"Udemy is a virtual place where Students take courses largely as a means of improving job-related skills.Some courses generate credit toward technical certification. Udemy has made a special effort to attract corporate trainers seeking to create coursework for employees of their company."