Customers' ad avoidance plus their distaste for brand communications equals marketers eager for new ways to reach customers and for new voices with which to reach them. Influencers with online followerships that are large or highly relevant to a brand or both — tick both boxes. Most marketers have experimented with influencer commissioning, and many vendors have emerged with proprietary software for influencer marketing, often bundled with services. This report helps marketers understand and differentiate emerging influencer marketing solution (IMS) vendors.