A hashtag—introduced by the octothorpe symbol —is a type of metadata tag used on social networks such as Twitter and other microblogging services. It lets users apply dynamic, user-generated tagging that helps other users easily find messages with a specific theme or content.

Octothorpe symbol - bet you didn't know that. I didn't.

LinkedIn was slow to the party on using hashtags, however they are now a crucial tool in your content marketing strategy, social listening and prospecting.

If you are not using them, then you are missing out on a huge amount that LinkedInhas to offer.

Here is how.