Make sure you print your workshop out for each week so that you have a file to work from in the future. No, they are not. They are simply a 'bonus'. Workshops should have enough detailed text and images to explain techniques and ideas. Along with instructor's personal feedback, you should have no problem.
Many students prefer privacy.
Or they are on the road and cannot commit to a certain time or certain night. Other's live in different areas and differing time zones. Online url classes work the best for them. With the advent of International PayPal payments, and url online classes, anyone reading English is more than welcome to particpate. We will help in any way we can.