Currently this offer is available for existing customers:
Refer 3 friends between the dates of July 1– December 31, 2013 and receive an iPad 2
Limit one iPad per customer
To qualify you must have a hopper system and new customers all must take hopper install option to qualify to this offer,but this promotion will expire soon it's very difficult to get 3 referrals to qualify now
The rules state that you must have a Hopper system as well as refer 3 people to sign up for the Hopper with Sling, but there have been numerous reports of existing customers without Hoppers still getting the iPad.