def trending_topics
      result = http_get("/services/data/v#{self.version}/chatter/topics/trending")
      result = JSON.parse(result.body)
      result["topics"].collect { |topic| topic["name"] }
    end
def trending_topics
      result = http_get("/services/data/v#{self.version}/chatter/topics/trending")
      result = JSON.parse(result.body)
      result["topics"].collect { |topic| topic["name"] }
    end
Returns an array of trending topic names.