So with Twitter in the news, we wondered about one of its most well-known symbols -- the hashtag. A viewer named Valerie asked: How did the pound sign become a hashtag? Hashtags are used on ...

What is the origin of this # mysterious symbol? It’s gone by many names, (the pound sign, the number sign, the octothorpe and the hashtag symbol) and it’s had many meanings, but what is the ...

From the Romans to Twitter, the hash sign – or octothorpe ... The host of names the “#” symbol has had over the centuries only just outnumbers the plethora of functions it has fulfilled. From when the ...

From a tech tool to a pop culture reference, the hashtag has come a long way since it was first popularized by Twitter. And even Twitter, at first, rejected the idea, which came from Chris Messina ...

Those who aren't part of the Twitter generation will recognize this as the pound or number sign. It's probably an ancient symbol — as Keith Houston notes in the punctuation book (and blog ...

The hash symbol – also known as the pound/number sign, or even the octothorp(e) as Macworld reader Keith points out – was one of the more rarely used special characters until Twitter and ...

One of Britain’s most recognisable party symbols is to be consigned to the political scrapheap next year when the UK Independence Party axes its pound sign logo, The Daily Telegraph can disclose.