Posts with keyword: gps

2 entries

Space-Time-Travel Data Changing the World Now

Fri Sep 11 08:03:00 2009

Jeff Jonas, who is one of the world's premiere data analysis experts writes: Mobile devices in America are generating something like 600 billion geo-spatially tagged transactions per day. Every call, text message, email and data transfer handled by your mobile device creates a transaction with your space-time coordinate (to roughly 60 meters accuracy if there are three cell towers in range), whether you have GPS or not. Got a Blackberry? Every few minutes, it sends a heartbeat, creating a transaction whether you are using the phone or not. If the device is GPS-enabled and you're using a location-based service
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Why Can't My Car Tell the Speed Limit?

Fri Nov 2 08:27:00 2007

I got a ticket on my way to the Guy Kawasaki event yesterday--34 in a 25. I wasn't trying to speed--I simply wasn't paying attention. Here's my question: why can't my car tell the speed limit and warn me when I'm over? Seems simple enough to do in theory. You wouldn't need to annotate the roads physically, you could do it with GPS and maps. I'd pay for this service.
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