Visualize you say? As the app explains, it offers an interactive canvas to see how tweets interact in terms of people or topics. In other words individual tweets are displayed as particles floating in space, but the fun begins when you add "connects" and "flows."
As you can see in the image below, the flows emit tweet "particles" which gravitate to connect nodes if they are related. And boy is BlackBerry being bombarded with tweets about Twitter for BlackBerry 10!
Check out Feather Duster on BlackBerry World