Ok, so I went to MInecon 2013.In my bag they gave me, I got a Minecraft Realms 30 day free trial.I've been wondering, do I get into the private beta if I went to Minecon 2013?
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That holo-card DOES give you a server for the amount of time as said in card.
You have to put the code as gift code in account.mojang.com
Login with your Mojang account (Your Email address and your password)
Go to "My Gift Codes"
Then click on "Redeem Gift Code or Prepaid Card"
Scratch that area to reveal the number
Punch in the number in the text box
Wait a few hours or a day or two
Go to Minecraft
Click on the "Minecraft Realms" button on the menu
Click "Create Realm"
Type in title and description
Invite a few people by going to the settings of the Realm