If you currently don’t have an Amazon Prime subscription, today (Sept. 25th) is your lucky day. The usual $99 subscription is only $67. The offer is valid if you sign up between 12a ET (9:00p PT on September 24) and 11:59p PT (2:59 a.m Eastern time on September 26).
According to iMore
In addition to Prime Instant Video, the subscription to Amazon Prime offers users a catalog of one million songs on Prime Music, free two-day shipping on a ton of products sold on the site, and free unlimited photo storage with Prime Photos.
Technically, this special discount is only valid for new members, but if you are already signed up you can still buy a gift subscription and email it to yourself. Then you have to cancel auto-renew on your existing Prime membership and wait for it to expire, so you can then use the $67 gift code for another year of Amazon Prime.