Steps to redeem:
1. Go to FFXIV Mog Station http://sqex.to/Msp
2. Register a Square-Enix Account
3. Log in and click on "Enter Recruitment Code"
4. Enter the CODE - MMNWTY5K
5. Remember to redeem it before your first subscription, or you'll miss the rewards

Using this code, you'll get:
Friendship Circlet (20% EXP bonus, if your character is below level 25)
99 Aetheryte tickets (Save gil! Free teleport between aetheryte stones!)
Fistbump/Brofist emote (Exclusive Recruit-A-Friend emote)
10x Silver Chocobo Feathers (Trade to the Calamity Salvager NPC for special gear)