I got this post from Hustler $$$ blog
This is just like one of those online savings accounts, the only difference is you get $100 for siging up using offer code: CSLN.
The $100 gets deposited 90 days after your first statement as long as the account is in good standing.
This offer is only good for new customers. You can get $100 bonus by signing up to a Citibank Ultimate Savings account. The account includes:
4.65% APY
FDIC insured
No monthly fees
No minimum requirement
No Checking required
From the website:
This offer is not available at Citibank Financial Centers.
*Annual Percentage Yield (APY) is accurate as of 07/03/2007 and is subject to change without notice. The rate will apply only to accounts opened through citibank.com or by phone, and may change after the account is opened. Fees may reduce earnings.
** $100 Offer is only available for first-time Citibank deposit account customers, and will be paid only once to any individual. Persons who currently have or at any time have had a deposit account at Citibank (or any of its predecessor banks) are not eligible. To qualify for this offer you must apply for and open a new Ultimate Savings Account by 08/31/2007. $100 will be credited to your Ultimate Savings Account within 90 days from the end of the statement period in which your account was opened. Account must be in good standing at the time of the $100 credit. All accounts are subject to approval. Customer must be a citizen or resident alien of the United States (U.S.) with a valid U.S. taxpayer identification number. The amount of any bonus payment will be reported to the IRS as interest earned in the year credited. Persons under 18 years of age are not eligible. Offer may be modified or withdrawn at anytime without notice and is not transferable.