ServiceSource International, Inc. announced that it has signed a new contract with Dropbox . Through this agreement, ServiceSource adds to its growing roster of brand name clients in the hyper-competitive cloud solutions space, further establishing its digital inside sales services as a strategic advantage in fast-growing markets. By partnering with ServiceSource worldwide, Dropbox will fortify its virtual inside sales efforts with customer identification, acquisition, and outreach strategies, tapping into the growing appetite to buy services virtually, rather than through traditional in-person sales methods.