Pinterest announced last week the first big refresh for its self-serve Ads Manager tool since its launch in 2016. The company also added dynamic pricing and stock information to Product Pins and launched two new shopping recommendation sections. More shopable Product Pins. Pinterest has completely rebuilt its Product Pins system, adding dynamic pricing and stock information for hundreds of millions of Product Pins to make them more shopable. More Product Pins will include the shopping bag icon that links directly to a retailer’s checkout page so users can purchase a product within just a few clicks of finding an item in their feed or search results.