PDN’s Top 5 Photography Tips of 2019 PDN publishes lots of advice on photographic techniques and the photo business. This year, the tips that PDN readers read, shared and responded to the most included useful insights into printing and marketing fine-art photography, details (and warnings) about getting your photo book published, and some inspiring reflections from street photographers and artists. In each of these stories, there’s one nugget relevant to photographers working in every genre: You’re going to make mistakes,…