Used technologies:

HTML5, drag and drop

This website allows Americans to quickly speak their mind about people from the other states.Put labels using drag End drop. Site uses ready technology - interactive map of USA. The same map is ready to use for the world continents and other countries. They also can be made interactive. And put some events in the fields of state-buttons. The site uses php and mySQL for processing and storing data. The data is stored without reloading the page - with ajax.

http://screencast.com/t/9aVYqMXJotri here is the description, video screencast in english.