Hashtags, the widely used convention to find tweets on a particular topic, are the stars of a new TV ad campaign from Twitter. This is the first time the social network placed TV spots and they were ...

Add Yahoo as a preferred source to see more of our stories on Google. The history of the hashtag is an odd one. (Getty) (Peter Willert / EyeEm via Getty Images) These days, hashtags are known as a ...

These days, hashtags are known as a simple way to categorise information posted on social media. But their inception was far from straightforward. In Twitter’s early days, users were pleading for a ...