Also, I took the following statement out of the link, I think this sums it all up:
"In 2010, the Library of Congress pledged to preserve every public tweet as a matter of record — a significant undertaking, given that some 400 million tweets are dispatched worldwide every day."
Did you know that they did this back then? I don't believe this was on every front page newspaper, advertised anywhere, or a main topic on your favorite Internet browser. Most likely was buried somewhere behind some irrelevant celebrity gossip. (sigh)