If you want to follow conversation threads relating to this show on social media—whether Twitter, Facebook, or Instagram, Tumblr—you know to look for the hashtag: #99pi. In our current digital age, ...

Number sign. Pound sign. Octothorpe. A hash. Hashtag. #. What is it? What is its purpose? And most importantly: how can you use it to increase your press release’s visibility? The “hashtag” ...