How to find Get Satisfaction topics by tag e.g. find all mozilla messaging topics tagged android

FindGetSatisfactionTopicsByTag.rb

# irb session follows:

require 'json'
require 'net/http'
require 'pp'
require 'Time'

def getResponse(url)

  http = Net::HTTP.new("api.getsatisfaction.com",80)

  url = "/" + url

  resp, data = http.get(url, nil)
   
  if resp.code != "200"
    printf(STDERR,"Error:%d\n", resp.code)
    return ""
  end

  result = JSON.parse(data)
  return result
end

u="companies/mozilla_messaging/tags/android/topics.json"
r = getResponse(u)