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random data sources
- “Where to Find Open Data on the Web” » http://www.readwriteweb.com/archives/where_to_find_open_data_on_the.php
- earthquakes http://earthquake.usgs.gov/recenteqsww/rss.html
- sukcspit sources ?
other
- ships in the north sea » http://www.shipais.com/currentmap.php?map=NorthSea
nik