In specific fields, key influencers have an incredible affect on brand affinity, platforms, and purchase decision. Key influencers typically have their own blogs, larger Twitter followings and rarely know their audiences personally.
Everyday people who participate in social platforms. These users are typically in your consumer’s social graph and influence brand affinity and purchasing decisions through consumer reviews, by updating their own status and Twitter feeds and commenting on blogs and forums.
KNOWN PEER INFLUENCERS
The closest to both the purchasing decision and to the consumer. They are typically part of the consumer’s inner circle. They influence the purchasing decision most directly and have to live with the results of their family member or friend’s decision as well.