In the case of cost per mille/click, the publisher is not concerned about whether a visitor is a member of the audience that the advertiser tries to attract and is able to convert, because at this point the publisher has already earned his commission. This leaves the greater, and, in case of cost per mille, the full risk and loss (if the visitor cannot be converted) to the advertiser.
Virtual reality computing (VR) is a huge leap forward in immersing the user in a realistic sensory experience. Hardware and software vendors are working furiously to bring new VR products to the marketplace and the industry is growing at a parabolic rate - according to statista by 2020 the worldwide size of the VR market will be in excess of $40 billion.
Not necessarily, but a blog is really the best promotional tool. With that said, you can always use methods such as PPC or advertising to promote a product. This is another popular method to grow in affiliate marketing. For me, the best way to make the most out of affiliate marketing opportunities is to have a blog. Learn how to start a blog here.