Speaking of the Library of Congress…
(…) The library will archive the collected works of Twitter, the blogging service, whose users currently send a daily flood of 55 million messages, all that contain 140 or fewer characters….
The full story here: http://www.nytimes.com/2010/04/15/technology/15twitter.html
(not a Twitter user myself though)
Found thanks to eyecurious the collection of color pics from the 30’s and 40’sthat is published on Flickr by the Library of Congress.
http://www.flickr.com/photos/library_of_congress/sets/72157603671370361/
That is priceless stuff, featuring photos from FSA photographers such as Russell Lee, Arthur Rothstein, and others…
[EDIT] … and here you can browse about 171.000 b+w photographs from the FSA/OWI…
Because it's there 