this is the best overview of social bookmarking that I have yet seen - comprehensive but readable. Meant for students it could easily be used with teachers and would make an excellent professional development experience. It provides a well defined way in which researchers can effectively use social bookmarking and annotation by taking on specific roles.
Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people they meet.
"Teaching Resources is a website created by veteran teacher Laura Candler to share ready-to-use classroom resources. The site consists of dozens of pages of helpful information and free printables. Topics include Literature Circles, Learning Centers, Classroom Management, and academic subject areas such as math, literacy, science, and social studies."
Search a wide variety of social media all in one spot. "Mashpedia presents an organized mashup of results from Wikipedia, YouTube, Twitter, Flickr, Google News, Books, Blog Posts, and further contextual information, thus providing a quick, practical outlook for every topic. "
Review: "Part of the nine-volume "Canadian Aboriginal Art and Culture" series, these books provide information about a variety of topics, including homes, clothing, food, tools and weapons, religion, celebrations and ceremonies, music and dance, language and storytelling, and art. In fact, with only one or two exceptions, all the chapter headings in these three titles are identical. " Recommended but NOTE: This series provides just enough information for elementary school students.
Review: "'Canadian Citizenship in Action' is a series of four books intended to help middle years's students understand just what living in a democracy like ours means, and how each person can participate, as well as what barriers may be encountered."