Hashtags on Twitter: How do you follow them?

TweetDeck
Column-based Twitter applications like Tweetdeck can make following hashtags easy. (Image by Tojosan)

As I’ve mentioned before, hashtags are a powerful tool that allows Twitter users to track what many people (especially people whom you aren’t already following) are reporting or thinking about a particular topic or event.

Here’s the catch: Hashtags aren’t an officially supported Twitter service. They’re merely a convention that Twitter users have adopted on their own, within the 140-character text-only constraints of tweeting. So you can’t really “follow” hashtags through the main Twitter site.

Many third-party Twitter tools and services “play nice” with hashtags — but you must first know what these tools are and how to use them in order to get maximum value from hashtags.

This can lead to a bit of basic confusion, especially among people who are new to Twitter. Specifically, how exactly do you follow a hashtag?…
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