Penn Foster, an online education provider, was experiencing rising service costs to support its 130,000 students. It created an online self-service community where students could ask and answer each other's questions, forming study groups and accessing shared resources. Since launching the community in 2012, registered users rose over 200% and it has helped reduce the cost per student interaction by an average of $1.06 per year, bringing the cost down 41% by 2013. The community has provided unexpected benefits like peer-to-peer support and social connections that are important for online students.