DuckDuckGo Bangs por TChack

Users of the DuckDuckGo search engine may be familiar the !bangs feature which
allows you to: "Search thousands of sites directly from DuckDuckGo"
see: https://duckduckgo.com/bang?q=

This addon allows you to select a very small subset of these !bangs with your selected text. There are currently 9000+ bangs available...