Etsy wants to know its shoppers – like,reallyknow them – and it’s turning toartificial intelligenceto do it. The handmade marketplace is using AIto figure out not just what customers buy, but why they’re shopping and what they might want next. Thetechnology is being used to build detailed customer profiles that could influence everything from search results and recommendations to advertising. Etsy has built more precise profiles on more than 70 percent of its nearly 90 million shoppers and plans to create profiles for the rest, Chief Financial Officer Lanny Baker told theWall Street Journalin a report published Tuesday. The profiles track shoppers’ purchase histories, preferences and habits, including clues about whether they’re buying something for themselves or as agift.