The Hashtags were first used by American blogger and product consultant Chris Messina in a 2007 tweet.

The hashtag used within a post on social media helps those who may be interested in your topic to be able to find it.

Twitter's recommended limit for hashtags is six letters or fewer.

Hashtags have a narrow life - some hashtags become wildly popular for 24 hours and never appear again.

Hashtags become a live link after getting tweeted.

Hashtags consist of the “#” symbol followed by a word or series of words written without spaces. very limited.