CHICAGO--(BUSINESS WIRE)--PR and marketing professionals who want to revitalize their social media communications and stay on the forefront of exciting new platforms will acquire practical strategies at a new webinar from PR Daily’s PR University, “PR’s New Digital Toolbox: Master Tumblr, Instagram, Medium, Meerkat, Periscope and Snapchat.” Attendees will learn the newest techniques for using these emerging and popular social vehicles to reach new audiences with dynamic visual and written forma