Zoomerang is the market leader ahead of other Internet-based market research survey service providers EZquestionnaire, KeySurvey and Survey Monkey. Zoomerang offers a large e-mail database that can be tailored to its client’s survey needs, while its competitors do not. A CNNMoney.com report describes how Konstantin Guericke, the co-founder of LinkedIn, an online networking tool for professionals, used a Zoomerang survey to poll LinkedIn clients, and determine that 80 percent wanted him to add a search function, compared with 50 percent voting for the addition of photographs. All of the on-line surveys mentioned above are easy and less expensive than phone surveys, but do-it-yourselfers run the risk of creating a poorly designed survey, or misinterpreting the results.