The amount of concentrated cannabis you can now lawfully possess under Washington State's pot legalization law is up to some debate. Hash oil, with THC concentrations that can exceed 70 percent, is ...

From the Romans to Twitter, the hash sign – or octothorpe – has had a rich history, and now this innocuous little character has found a mighty resurgence as the hashtag. What happened along the way?

Social media has reached a certain level of popularity that is has also become so powerful nowadays. It is not just a special symbol for number or pound, but also a way to make a certain thing trend ...

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, ...

Rand Fishkin calls the "hash" or "pound symbol" a "powerful SEO tool" that many experts rarely use. Demonstrating ways to use it in his video series Whiteboard Friday, Fishkin says that "search ...