There’s lots of cool things about Twitter including a TON of third-party add-ons but what makes it very useful is the people!
There's plenty of GIS companies, Geo-bloggers, and Geo technology professionals that you can follow including @esri, @erdas, @terrago, @gotgeoint, @gisuser, @lbszone, @loopt, @navteq, @bentleysystems, @mappsgeo and many other GIS companies and Geo professionals (including me @gletham)… Read on below for pointers to 12 "Geo" Twitters that you might wish to add to your followers.
@Yahoogeo - Updates from the team at Yahoo! Geo Technologies. Tweets directly from the team in support of http://www.ygeoblog.com/
http://twitter.com/YahooGeo
@fireeagle provides Updates from the team at Fire Eagle - see http://fireeagle.yahoo.net/
http://twitter.com/fireeagle
@terrago Updates from Atlanta-based TerraGo Technologies, the GeoPDF people! - see http://www.terragotech.com/
http://twitter.com/terrago
Looking for Android related Twitterers? Try following @androffice, @androidhackz
http://twitter.com/androffice
http://twitter.com/androidhackz
@esrieduc Another official ESRI Twitter supporting the ESRI UDUC event http://www.esri.com/educ
http://twitter.com/esrieduc
@ESRI The official ESRI Corp Twitter account providing regular news updates from Redlands CA supporting http://www.esri.com/
http://twitter.com/ESRI
@National_Geo looks like an office Twitter account from NGS but its tough to tell! Relatively little activity!
http://twitter.com/National_Geo
@brightkite supports the popular location-aware social networking resource from Brightkite (which I always misspell as brightkyte!) supports http://brightkite.com/
http://twitter.com/brightkite
@BentleySystems The official Twitter for Bentley... relatively quiet on the "geo" front these days but still one to consider following!
http://twitter.com/BentleySystems
@edparsons Ed is the UK-based geospatial technologies for Google who blogs from http://www.edparsons.com/
http://twitter.com/edparsons
@navteq If you use NAVTEQ data or are interested in developing apps, particularly for mobile then you need to follow navteq's official developer twitter. Maintained by a loyal member of the NN4D team (Greg) and supporting http://developer.navteq.com/
@JimBarry ESRI developers (as well as Rutgers grads!) and those involved with the ESRI Developer Network (EDN) will want to follow Jim! supporting http://edn.esri.com/
http://twitter.com/JimBarry