In 2018, 40% of marketers said that stock photos were the most used visual in their marketing strategy. There are a ton of stock photo sites out there, how’s a marketer supposed to choose? 🤷‍♀️ As usual, we’re here to save you time. We’ve compiled a list of our 20 favorite stock photo sites that are free for use, visually engaging, and easy to navigate–and a little bit different from your standard stock. Did you know there were sites dedicated…