Follow the following steps to acquire a $50 coupon:
- You will need a new Adwords account (as the coupon only applies for accounts no older than 14 days). Sign up for AdWords.
- Go to the link below, and register your information according to the account information that you have provided in the step above.
- Allow up to 7 working days for Google to contact you via email. The email will contain a $50 promo code.
This method has been tested, and it works everytime. If you want more than one coupon, you can follow the steps above, and provide a different/unique email, name, address & credit card for each accounts.
Note that Google may require a deposit (for pre-paid billing), OR that you run advertising campaigns for at least US$5 (for post-pay billing). The exact amount depends on your billing currency.