The toys are developed in collaboration with Jerome and Dorothy Singer, psychologists at Yale University.
operating system | Super Nintendo Entertainment System | Nintendo Entertainment System | Android (operating system) | United Nations Industrial Development Organization | International Development Association | United Nations Conference on Trade and Development | International Bank for Reconstruction and Development | International Fund for Agricultural Development | Global Positioning System | African Development Bank | USL Premier Development League | Solar System | X Window System | United States Agency for International Development | Integrated development environment | Asian Development Bank | United States Department of Housing and Urban Development | Korean Broadcasting System | Inter-American Development Bank | Millennium Development Goals | Organisation for Economic Co-operation and Development | System of a Down | European Bank for Reconstruction and Development | Domain Name System | Seoul Broadcasting System | North Carolina Community College System | Steinhardt School of Culture, Education, and Human Development | Mutual Broadcasting System | Bulletin board system |