"The Tweet-o-Meter measures the amount of tweets (measured in Tweets per Minute or TPM) received from various locations around the world. The guages are updated every second giving you a live view of the TPM's in each location."
"Flow charts, also referred to as Sankey Diagrams, are single-page references that contain quantitative data about resource, commodity, and byproduct flows in a graphical form. These flow charts help scientists, analysts, and other decision makers to visualize the complex interrelationships involved in managing our nation's resources."
"This is an introductory practical guide for teachers looking to use Creative Commons licensed works and share educational resources under a Creative Commons licence."