Final answer:
Opinion leaders are individuals who filter, interpret, or provide product and brand-relevant information to others. They can shape the opinions of others and can be anyone in your social circle or media influencers.
Step-by-step explanation:
The individuals who filter, interpret, or provide product and brand-relevant information to their family, friends, and colleagues are known as opinion leaders. Opinion leaders can shape the opinions of others, either purposefully or inadvertently. They can be anyone in your social circle or even someone you see through the media, including social media.