Landsat: 2015-02-06, 30 meters

Planet Labs: 2014-09-01, 5 meters

Digital Globe: 2014-10-02, 0.5 meter

Data Science (noun) 

1. an emerging field in applied science with the explicit objective to parse signal from statistical noise for actionable insights.

• "A data scientist is a programmer that knows statistics better than other programmers; and a statistician that knows programming better than other statisticians.  A data scientist is not necessarily a good statistician or a good programmer.

API access to raw data

IMAGERY  ⟶ "Vegetation has declined by 23%"

i.e., raw information into actionable information.