Via http://www.mapbox.com/blog/visualizing-3-billion-tweets/ :
“This is a look at 3 billion tweets – every geotagged tweet since September 2011, mapped, showing facets of Twitter’s ecosystem and userbase in incredible new detail, revealing demographic, cultural, and social patterns down to city level detail, across the entire world.”
Here is Trinidad and Tobago:
http://www.mapbox.com/labs/twitter-gnip/brands/#10/10.5351/-61.3655
Some initial thoughts : A lot of Blackberry phones……
