Library of Congress to archive every tweet ever written

Big week for Twitter: It announced an ad platform, hosted its first developer conference, and received word that the Library of Congress will begin archiving tweets. Every tweet since the service launched in 2006, actually. “I’m no Ph.D., but it boggles my mind to think what we might be able to learn about ourselves and the world around us from this wealth of data,” the Library of Congress wrote on Facebook (ironically). “And I’m certain we’ll learn things that none of us now can possib…