I didn't realise it cost money 4. I found an alternative way of learning the subject. My priorities changed 7. I didn't think that virtual education would be worth the effort 8. I thought it would take too much time.
Some students are less 'vocal' than others.
We'd appreciate feedback, especially if you are not a regular contributor. The volume of mail contributes to the feeling of 'virtual community'. Only answer questions that apply to you. I don't have time I don't like making mistakes in public 2.