Is advertisement important for an ICO?

[DonnieMitchel]

Marketing is very important for an ICO. Is is a way to reach the product to the investors.
Having said that, advertisement is part of marketing. Is the pop-up advertisement that you see in random websites, or the small pop-up in a YouTube video help in promoting the ICO is its just an added nuisance?

[JCviggen]

This is also an important part of marketing. This is called viral marketing. When you constantly see some kind of picture catches your eye, sooner or later you will show interest in this