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--- data:real-time [2014/09/01 15:47] – loleg
+++ data:real-time [2014/09/01 15:54] – loleg
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 This page links to examples of data that is as current as technically possible. If you know of similar sources, please list them here.
+**Geography**
+While access to real-time satellite data is out of the reach of ordinary people, the Earth's geography is anything but frozen in time. Find out about using [[http://wiki.openstreetmap.org/wiki/History_API_and_Database|OpenStreetMap's data]] which can be downloaded historically, or looked up in hourly or minutely differentials as people edit the world.
 **Transportation**
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 The Internet of Things is a movement to put all kinds of devices online, it is important that their data is accessible with high precision in time. You can find public data feeds on these sites: [[http://thingspeak.com/channels/public]], [[http://data.sparkfun.com]], [[http://thingful.net]], [[http://dweet.io/see]].
+Also look for crowdsourcing projects like [[http://www.blitzortung.org/|Blitzortung]] (real time lightning strikes) which can complement existing - and usually nationally-bounded - data sources like [[http://waterdata.usgs.gov/nwis/current|US water data]].