Hashtags are a powerful tool that allow you to track what people are tweeting about a particular topic.  Although hashtags aren’t a service that Twitter officially supports there are a lot of third party apps that support following them.  My favorite is TweetDeck.  TweetDeck allows you to create columns that allow you to merge multiple Twitter accounts, tweets that mention your username or hashtags of your choice.

Adding a column is fairly straight forward.  First click on the add column button on the top left corner of TweetDeck.

In the field that opens up type in the topic that you want to track.  Be sure to add the # in front of the topic so TweetDeck knows it’s a hashtag.   For example, if I wanted to search for all tweets in EdTech, I would type:  #EdTech.