25 Must-Follow Marketing Thought Leaders

Originally published on Inc.com.

People often confuse influence with how many Twitter followers someone has. However, some of the most influential people are influential because of the relationships they build with others, their unique knowledge and positions, who they know, and how they know you.

In that vein, here's a list of 25 marketing influencers from up-and-comers to established industry leaders--who are sure to help you stay sharp this year:

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