Instagram is, unquestionably, the hottest social network right now for sharing photos. While the service is simple to use, getting your work noticed is not easy considering you’re competing with over 400 million other Instagram users. So what’s the “trick,” if any? We interviewed three photographers who have found success on Instagram to learn more about this social media phenomenon. Along with checking out (and liking) their Instagram pages, don’t forget to visit (and like) Shutterbug’s own page (@shutterbugpix), where we’re sharing our favorite work from readers.