Instagram is a visual-first platform. When you log on, you’ll see image after image of jaw-dropping scenery, drool-worthy dessert, and high-quality pictures of everything you could ever want to buy.

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 ...

Whether you’re a conservative or a liberal, you have most likely come across a political hashtag in an article, a tweet or a personal story shared on Facebook. A hashtag is a functional tag widely ...

Opinions expressed by Entrepreneur contributors are their own. If you’re new to Twitter, or even if you’ve been using it for years, you may wonder what all those words preceded by the # sign are. They ...

Andreea S. Calude receives funding from The Royal Society of New Zealand Marsden Grant Fund. David Trye receives funding from the University of Waikato PhD Doctoral Scholarship. Hashtags are a ...