[Ráfaga] Nº284: sql, telemetry, sensors, nyc, amazon, france

[Jorge Sanz]

* Introduction to geospatial data and SQL constructions
  http://davemattingly.net/2016/01/20/spatial-intro/

* Mapbox telemetry, what is collected and how its used when you visit their
maps
  https://www.mapbox.com/telemetry/

* An app to convert you on a walking sensor and take data from Málaga city

http://www.animalpolitico.com/blogueros-apps-para-el-compromiso-social-y-politico/2016/01/26/citysense-la-app-para-el-ciudadano-colaborativo-que-recaba-datos-abiertos/

* How big is New York City, some maps via @rveciana

http://www.timeout.com/newyork/blog/these-maps-show-just-how-big-nyc-is-compared-to-other-cities-020216

* Platform to follow Amazon land use changes and deforestation
  http://mapbiomas.org/map

* Going back in time, comparing French old maps and imagery
  https://remonterletemps.ign.fr

Raf
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