"The National Science Digital Library Stem Exchange, supported by the National Science Foundation, provided the core concepts that evolved into the Learning Registry—and they have continued to contribute technically and strategically, every step of the way." Secretary of Education Arne Duncan, Learning Registry launch, Nov. 7, 2011

"This is an idea best served at scale and will realize its potential only by connecting online communities with each other and allowing emergent knowledge...to continually accrete as shared content diffuses across networked platforms."   Susan Van Gundy, Why Connected Online Communities Will Drive the Future of Digital Content: An Introduction to Learning Resource Paradata