JACK IS BACK!

Image via WikipediaJACK IS BACK!
Twitter just added automatic link-shortening on Twitter.com. This means that whenever you paste a link into the tweet box on Twitter.com, it will get shortened automatically.
We wouldn't have noticed it because it already happens on the apps we use, but, hey, neat!
More importantly, as Jason Calacanis points out (on Twitter, natch), this is part of a volley of new