Tweet Ping [tweetping.net], developed by Franck Ernewein seems like an excellent wallpaper backdrop for your secret data visualization dungeon.

Next to the obvious tweet messages flashing by on a world density map, various statistical measures (e.g. the number of messages, words and characters) are displayed in a dashboard interface at the bottom. All Twitter data seems to be aggregated by the world continent it originates from, which is also summarized by a single pie chart.

Someone knows what the shorts lines emanating from the dots on the world map mean? And the constantly refreshing bar charts?