Here is the somewhat-targeted offer as posted on GoDaddy's website:
SPECIAL OFFER! .COM just $0.99*! Additional .COMs just $7.99* per year!
*Plus ICANN fee of $0.18 per domain name per year. $0.99 price good for the first year of three new or transfer .COMs per customer. Additional years or .COMs may be purchased for $7.99 per year. Discounts cannot be used in conjunction with any other offer or promotion. Customers may not use gift cards, PayPal® or AliPay to redeem this offer. After the first year, discounted products will renew at the then-current renewal list price. Your discount will be applied in your shopping cart. Offer valid for customers in the US and Canada only.
So, if you'd like, you can get just one year for 99˘ + 18˘ ICANN fee.