Advertising is a valuable economic factor because it is the cheapest way of seeling goods, particularly if the goods are worthless. --Sinclair Lewis
We might see this grow more in popularity as all these diseases are coming out. That is a +1 for online learning because a lot of people still don't believe it is a genuine way to study and learn.
I'm a big supporter of using everything to help students learn. Especially with those kids who have no access to the internet. I would also promote going to the library for access, but the public libraries are closed at the moment.