1) The document discusses several collaborative tools that can be used for instruction, including Skype for videoconferencing, wikis for collaborative writing and editing, blogs for discussion threads, and Google Groups/Forms for collaborative documentation. 2) It provides guidance on using blogs for instruction, such as having a clear objective, providing direction and guidance for posts, teaching proper citation of sources, and avoiding excessive personal information. 3) An enrichment activity is described that involves surveying millennials on their preferred ways of learning, including options like paper surveys, interviews, or online questionnaires, and presenting the results in an infographic.