I don't know exactly what you are trying to do, but all Tweets will be archived anyway. (Source: http://www.usatoday.com/tech/news/2010-04-14-library-congress-t

I don't know exactly what you are trying to do, but all Tweets will be archived anyway. (Source: http://www.usatoday.com/tech/news/2010-04-14-library-congress-twitter_N.htm http://www.usatoday.com/tech/news/2010-04-14-library-congres...) I think a visual collage of the revolution on social media would be very interesting.