CHALLENGE“If you don’t have a lot of data, a lot of how you perform depends on if you interpret your situation as a positive or as a negative,” says David Manela, VP of Channel Development at upscale fashion retailer Vivre Inc. “We focus on what our positives are when we go about marketing.”Manela’s can-do philosophical approach has played a major part of the 10-year-old company’s entrepreneurial ascent. In the early days, they relied almost solely on a thin mailer and grew to a full-scale book that reaches 1.2 million catalog subscribers. But since going online in 2001, they’ve boasted 30% overall growth year over year, doubling sales for four out of the past five years.Growth hasn’t been easy since Manela…