Pinterest CEO Bill ReadyCamille Kermarrec for BIPinterest's CEO, Bill Ready, wants advertisers to know that its users come to the platform to shop.Search and product recommendations are now core parts of Pinterest's business.Ready sat down with Business Insider at Cannes Lions and spoke about how Pinterest is leveraging AI.Pinterest is a search engine — and its CEO wants advertisers to know it.Bill Ready, who joined the company as CEO in 2022 fr…