Hey Henge Docks followers! How would you like to win a new MacBook Air dock? The rules are simple. If you don't already, follow @Hengedocks on twitter and retweet "Just entered to win a MacBook Air Dock from Henge Docks. Follow @HengeDocks and retweet http://bit.ly/HInJKO. Already follow @Hengedocks? No problem, just retweet http://bit.ly/HInJKO to be entered to win the MacBookAir dock. One lucky winner will be chosen at 5 pm Friday, April 20th. Good luck!