CNet> Gary Feldman was vice president of strategic planning at 141 Worldwide, a Manhattan marketing and advertising agency, when he received an e-mail message last spring from HotJobs.com listing opportunities that might be of interest to him. Although he rarely gave such notices a second glance, he said, a position as director in the New York office of the marketing research and consulting firm Cheskin caught his eye. He followed a link to the company’s Web log, or blog, and read the job description. read more>