PLN

media type="youtube" key="MqSH5TMYlz4" height="349" width="560" align="center"

Social Bookmarking: the act of sharing your favorites with others using the web. Social bookmarking allows you to access your bookmarks no matter what computer you use.

Delicious

Diigo

Edmodo: Connect with other teachers in your curricular area to help find ideas! Can be huge when you work for a smaller district.

Blogs, Wikis, and More: Work to find teachers posting information to blogs, wikis, and websites that may prevent you from reinventing the wheel.