[HOT] "Combined with satellite data, recently made public, they can now ..."

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Interesting. Maybe contact the authors and ask what they are referring to regarding satellite imagery? It might be a generic statement regarding all satellite imagery that is available. 
Bryan Sayer 

-------- Original message --------
From: Bjoern Hassler <bjohas+mw at gmail.com> 
Date: 07/21/2018  8:42 AM  (GMT-05:00) 
To: hot <hot at openstreetmap.org> 
Subject: [HOT] "Combined with satellite data, recently made public,	they can now ..." 

Hello all,
this article in the Guardian:https://www.theguardian.com/global-development/2018/jul/16/buzzwords-crazes-broken-aid-system-poverty
has this somewhat enigmatic sentence in it: ""Combined with satellite data, recently made public, they can now ..."
Any idea what this "satellite data, recently made public" might be? The article doesn't provide a country or context, or what type of data.
Any thoughts?
Many thanks!Bjoern
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