99percentinvisible.org
Octothorpe - 99% Invisible
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, the hashtag identifies movements, events, happenings, brands — topics of all kinds. The “#” didn’t always have this meaning, though. It’s had