1) The document discusses how Vygotsky's sociocultural theory of development can guide the use of technology in teaching immigrant and English language learners. 2) It notes that the number of English language learners in US classrooms is rapidly increasing as the number of immigrant students grows. 3) Vygotsky's theory emphasizes that social interaction and culture play important roles in cognitive development, and that instruction should be tailored to students' zones of proximal development to help them progress to more advanced levels.