Pivot makes it easier to interact with massive amounts of data in ways that are powerful, informative, and fun. We tried to step back and design an interaction model that accommodates the complexity and scale of information rather than the traditional structure of the Web.
See how often US presidents have said certain words in their inaugural addresses. Click on the examples on the right, or type in your own word above. Hover over points in the graph and milestones to see names and dates
Watch the TED Talk video. Only about 6 minutes
http://www.ted.com/talks/gary_flake_is_pivot_a_turning_point_for_web_exploration.html