For a long time, the phrase marketing collateral referred to static content that was mostly printed—brochures, sales sheets, and white papers—or shown as a presentation. The purpose of these materials was to help generate sales of a product or service to leads identified through advertising.

But the way we engage today is different from how we were appealing to our ideal customers even five years ago.
Today we are helping people find the solutions they are looking for through valuable, informative content. People use search engines, social media, online reviews, and other web resources to do research before making purchasing decisions
That information looks and feels different than a traditional marketing brochure.