Just "like" their facebook page and receive a promo code for a free one night DVD rental valid only on May 12, 2011

Promo code terms:
Code is valid for a redbox kiosk rental beginning between 12am and 11:59:59pm on 5/12/2011. Daily rental fee is $1.50 for Blu-rayTM Discs, $2 for video games and $1 for standard DVDs. Code is valid for a $1 discount on the standard daily rental fee the first night of rental only. Code not valid for items reserved online. Your payment card (necessary for rental) will be charged the balance of the daily rental fee for a Blu-ray Disc or video game for the first night of rental, if applicable, and will be charged the applicable daily rental fee plus applicable tax for each night you do not return your rental by 9:00 pm local time (at the redbox kiosk) every subsequent night after the first rental night. Valid only at participating locations. Void where prohibited. Codes must not be copied/sold/offered in a manner not approved by redbox. Cannot be redeemed online or combined with other offers. Only 1 code per rental transaction. Code applies to only 1 item per rental transaction. 2011 Redbox Automated Retail, L.L.C.