Passive learning is the opportunity to just listen to or read something of interest, without having to interact with anyone, do drills or exercizes, or answer comprehension questions, or say anything when prompted.
It is a tremendous way of learning because;
•you can do it anytime, even, in the case of listening, while doing other chores
•it is relatively stress-free, and usually enjoyable
•you do not have to go to a class or make an appointment with a teacher
•you can choose what to listen to and read
•if you read or listen to a variety of sources on related subjects, you can reinforce your understanding almost effortlessly
•you can tune in and tune out and you will still learn, especially if you blend different sources of similar information
•it is inexpensive
•it is easily controlled by the learner
•technology has made it easier than ever
•you reinforce the power of listening by reading and vice versa