I agree with the fact that not many people know bitcoin, I am sure some ask what is even that? I did that when I was new to it
The only way I think to make more people know about it is, those millions of sites accepting only paypal as payment to also consider use of bitcoin.
Don't worry about it, there is a rumor that paypal is already talking to coinbase and hired the CEO of xapo. So for sure those millions of third party sites are going to be forced to completely adopt bitcoins for their payment system. And I guess that is near to come maybe 2-5 years from now is the most possible timeline.