140 characters is not enough space for a URL and commentary. You end up getting things like this: http://yooplace.com/thread/seths-blog-like-your-hair-is-on-fi

140 characters is not enough space for a URL and commentary. You end up getting things like this: http://yooplace.com/thread/seths-blog-like-your-hair-is-on-fire-1db5/ http://yooplace.com/thread/seths-blog-like-your-hair-is-on-f... Each of these "comments" works more like an upvote than anything else.