If you use the Twitter client/service TweetDeck, you should log out and log back in to block a security vulnerability that quickly spiraled out of control last week, resulting in a torrent of out-of-control retweets. Twitter took TweetDeck offline until the bug could be fixed, but all should be well now. follow link
Printing onto Forms from Preview
Having trouble accurately printing onto pre-printed forms from Preview? First, save your file as a PDF and review it carefully onscreen, then choose Print. Next, within Preview's Print dialog, under Scaling options, select "No automatic page scaling," to ensure proper alignment with the pre-printed form.
All Hands off TweetDeck