I would highly recommend this and encourage staff to start by working within your school's common hashtag before swimming out into deeper water. (edutopia.org)
The list of common hashtags for authors grows every day, but here are a few of the ones you'll see most often: (selfpublishingteam.com)
In a research paper on the project, Facebook researchers said that by using WordNet, the company was able to group common hashtags with each other to cut down on the noise. (fortune.com)