Compare and contrast internal marketing data with external marketing data.

Internal marketing data provides insight into trends that affect an entire industry or market segment, whereas external marketing data provides insight into a company's current customers.

Internal marketing data is about trends that a company sees with its current customers, whereas external marketing data provides insight into trends that affect an entire industry or market segment.

Internal marketing data is only collected from surveys, whereas external marketing data is collected from several different sources.

Internal marketing data is collected from a company's own databases, whereas external marketing data is only collected from surveys.