Liam Neeson’s “Unknown” was anything but unknown this past weekend. The action thriller came in at number one at the box office bringing in $21.8 million followed by the sci-fi flick “I Am Number Four” cashing in at $19.5 million. So if you’re kicking yourself for being cheap and not wanting to spend a few bucks at the movies, don’t worry. Become a Jack Freeloader today, and you’ll have a chance to snag free tickets to “Unknown.”