If they're doing it right, merchants gearing up to replatform in the first half of 2016 have already been hard at work for some time now. Between comprehensive assessment of current capabilities and future needs, and rigorous vetting of prospective vendors, merchants may feel that they're nearing the end of their replatforming quest. But of course nothing could be further from the truth. The actual migration begins a new journey toward fresh and relevant offerings for shoppers -- one that includes both the initial launch and the continual improvements that must follow.