The document discusses the author's experiences using various social media platforms for educational purposes. It begins by describing the author's initial reluctance to use Twitter but then finding it useful for following other educators. The most useful tool discussed is Pinterest, which the author says changed the way they teach by providing a place to organize resources and discover new ideas from other teachers. Other platforms discussed include Google+, Delicious, Glogster, and Moodle. The author concludes that these tools help connect educators into a global community and support online learning.