RuBing
A simple Ruby interface for Microsoft Bing
Usage
require 'rubing'
RuBing::Search::app_id = 'YOURAPPID'
response = RuBing::Search.get('kittens')
=> #<RuBing::Response:0x4e05c ...>
response.results[0].url
=> "http://en.wikipedia.org/wiki/Kitten"
You need a Bing app ID in order to use the interface. You can get one at http://www.bing.com/developers/createapp.aspx
Enjoy!