Emails are very important for communication in online learners

Knowing the different learning method help to reach every audience. 

Getting to know your students and allowing them to get to know you, will provide a safe place and better help you to educate them and understand the different learning needs

Knowing how to navigate the technology is just important, as being educated, on what you are teaching. You need to be educated in what you are teaching, to interact with your students, and help them understand.