It seems the ever evolving Geo Viewer from ESRI (recall the Flex viewer that ESRI has been building on all week) now incorporates the ability to search and display Geo Tagged Tweets. Using the app, select the Tools icon (cube), then select the Twitter Option. This reveals a Twitter results box in the lower right region. Then select the “Draw Search Area” option (purple circle) and click on an area on the map dragging the mouse to create a radial search region. Resulting tweets that are geo tagged within the area will be displayed. One has to wonder that if communications permitted, individuals that require assistance could be sending geo located Twitter Tweets quickly and easily via their mobile, enabling relatively accurate location of those needing help. An interesting tool for sure! thanks to @karencapria for the tip. See http://geoss.esri.com/geoviewer
Select Twitter option from Tools Menu
The Twitter results window
Drawing a search area in the viewer
The results