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I was searching for a location this morning on Google Maps and I came across the "popular times" chart that many of you are probably familiar with. It shows you how busy the location you're looking at tends to be throughout the day. But this time around, I noticed a pulsing "live" dot and it got me wondering: How live is live?
Google collects this data from of our phones.
It is aggregated and anonymized Location History data from anyone who has opted in on their Google Account. If you're using Google Maps and have your location services set to "always", you can actually see a timeline of the places you've visited -- even if you haven't explicitly navigated to them (see above).
So the short answer is that the live data is really live. If there's a spike in the busyness of a particular venue -- one that doesn't match historical busyness patterns -- the Google network can pick it up.
I'm fascinated by this kind of city data because I see it as part of the future of city building. Why not use more data to inform the way in which we plan and build our cities. Retail data, traffic data, migratory patterns, population densities -- all of this and more is now available to us.
Starting in the late 1930s, New York City began hiring photographers to document each and every building in the city. It did this to improve the accuracy of its tax assessments, and so every photo was taken with a sign board indicating the building’s block and lot number. The photos looked like this (taken from here):
I was searching for a location this morning on Google Maps and I came across the "popular times" chart that many of you are probably familiar with. It shows you how busy the location you're looking at tends to be throughout the day. But this time around, I noticed a pulsing "live" dot and it got me wondering: How live is live?
Google collects this data from of our phones.
It is aggregated and anonymized Location History data from anyone who has opted in on their Google Account. If you're using Google Maps and have your location services set to "always", you can actually see a timeline of the places you've visited -- even if you haven't explicitly navigated to them (see above).
So the short answer is that the live data is really live. If there's a spike in the busyness of a particular venue -- one that doesn't match historical busyness patterns -- the Google network can pick it up.
I'm fascinated by this kind of city data because I see it as part of the future of city building. Why not use more data to inform the way in which we plan and build our cities. Retail data, traffic data, migratory patterns, population densities -- all of this and more is now available to us.
Starting in the late 1930s, New York City began hiring photographers to document each and every building in the city. It did this to improve the accuracy of its tax assessments, and so every photo was taken with a sign board indicating the building’s block and lot number. The photos looked like this (taken from here):
The initiative produced over 700,000 black and white photos, all of which have been recently digitized according to the New York Times. The Times also recently published this interactive piece where they go back to these archival photos to see how the city has and hasn’t changed.
In the late 1930s and early 1940s, documenting a city and its buildings was clearly a manual endeavor. Today we have Google Street View (launched in 2007), which has now photographed much of the world. Many countries, including all of North America, are reported as having “mostly full coverage.”
But already autonomous vehicles (and their supporting services) are starting to scan and map our cities in new ways. So it will be interesting to see what ends up getting built on top of this data. I am certain it will empower much more than just better tax assessments.
Happy New Year, friends. Thanks for reading over the last year.
The initiative produced over 700,000 black and white photos, all of which have been recently digitized according to the New York Times. The Times also recently published this interactive piece where they go back to these archival photos to see how the city has and hasn’t changed.
In the late 1930s and early 1940s, documenting a city and its buildings was clearly a manual endeavor. Today we have Google Street View (launched in 2007), which has now photographed much of the world. Many countries, including all of North America, are reported as having “mostly full coverage.”
But already autonomous vehicles (and their supporting services) are starting to scan and map our cities in new ways. So it will be interesting to see what ends up getting built on top of this data. I am certain it will empower much more than just better tax assessments.
Happy New Year, friends. Thanks for reading over the last year.
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