require 'twitter'
oauth_verifier = "(a number shown on the user authorization screen)"
access_token = request_token.get_access_token(:oauth_verifier => oauth_verifier )
token = access_token.token
secret = access_token.secret
Twitter.configure do |config|
config.consumer_key = CONSUMER_KEY
config.consumer_secret = CONSUMER_SECRET
config.oauth_token = token
config.oauth_token_secret = secret
end
Twitter.update("Hello World!")