students, each with a smartphone, take pictures of what they think are complementary angles outside of the classroom. The next day, the students discuss them in class.
This is a great article on 1:1. Tech & Learning interviewed Directors of successful 1:1 programs and asked all of them the same questions. If you are doing a 1:1 program or thinking about it, this is a MUST read article. Each Director give a different perspective on their projects.