This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Hashtags have become a standard in ...

A lone hashtag might not look very mighty, but when used en masse, the symbols can become incredibly powerful activism tools. Over the past two decades — largely since product designer Chris Messina ...

Hashtags can be tricky. Too many and your posts look cluttered. Not enough and your post could end up in digital no man’s land. Use a bad hashtag and no one is going to click it. Use a good yet ...

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” ...

Hashtags are possibly the most misunderstood tool on the social web. Some people confuse social mentions with hashtags; others use completely obscure hashtags because they see their friends using the ...

Hashtags are a pervasive feature of social media posts and used widely in search engines. Anything with the intent of attracting a wide audience usually comes with a memorable hashtag — #MeToo, ...