In the US, we have revised our geodetic datum over the yearrs. Most famously the switch from NAD27 to NAD83 as instrumention necessitated more measurements and resulted in a more accurate model. But in Australia, they are creating a new datum because the continent is MOVING 7cm a year.
Bay area R users were lucky to have to have the annual useR! conference in their back yard this week. Stanford hosted this year's conference, which is the largest R meeting in the country featuring four days of workshops, keynotes, and presentations.
Day 3 of the ESRI User Conference, new tools, new story maps, and new ways to work with data. New Tools, ESRI is supporting new tools with the python and R programming languages.
