Twitter gem

twitter.rb

require 'twitter'
require 'unirest'

client = Twitter::REST::Client.new do |config|
  config.consumer_key = "CONSUMER KEY"
  config.consumer_secret = "CONSUMER SECRET"
  config.access_token_secret = "ACCESS TOKEN SECRET"
  config.access_token = "ACCESS TOKEN"
end

client.update("This tweet is brought to you by the twitter gem")

while true do 
  response = Unirest.get("http://api.icndb.com/jokes/random")
  client.update("#{response.body["value"]["joke"]} " + "#anglehackdubai @thecribb")
  sleep rand(60..3600)
end