This will be a comprehensive list of ideas, resources, and websites that teachers can use to progress in their 21st century teaching.

Word Cloud Creator - A tag cloud or word cloud is a visual depiction of the word content of a compoliation of words. This can be used to anlayze speeches, news articles, or a variety of other items to visually show the students the words which appear most.
Review this tutorial which desribes how to use the Word Cloud Creator.