Marketing and merchandising services, namely, order fulfillment services; customer relationship management; inventory control; telephone order-taking services for others; outsourced mailing of refunds, rebates, premiums, warranties, product samples, sweepstakes, game and contest materials, namely, mail sorting, handling and receiving; preparing promotional and merchandising material for others; product and service merchandising; marketing materials distribution, namely, distribution of sales collateral, merchandise and point of sale materials; processing manufacturer's rebates; issuing gift certificates which may then be redeemed for goods or services; operation of telephone call centers for others