The program that you run using Sugar are called Activities. Why? Because Sugar, in its departure from the desktop metaphor for computing, is the first serious attempt to create a [[Glossary|user interface]] that is based on both cognitive and social [http://en.wikipedia.org/wiki/Constructivism_%28learning_theory%29 constructivism]: learners should engage in authentic exploration and collaboration. It is based on three very simple principles about what makes us human: (1) everyone is a teacher and a learner; (2) humans by their nature are social beings; and (3) humans by their nature are expressive. These are the pillars of a user experience for learning.
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The program that you run using Sugar are called Activities. Why? Because Sugar, in its departure from the desktop metaphor for computing, is the first serious attempt to create a [[Glossary|user interface]] that is based on both cognitive and social [http://en.wikipedia.org/wiki/Constructivism_%28learning_theory%29 constructivism]: an environment where learners engage in authentic exploration and collaboration in the act of learning.