1. When writing an update, type # followedby any text. As you type, you can pick a topic from the list of suggestions, or pressENTER at any time to add a new topic that can be up to three words.Commas ( , ) and closing square brackets ( ] ) automatically end a topic. Other punctuation, symbols, and separators are supported in topic names.
2. Click Share. The hashtag topic becomesa link to the topic detail page. The topic (without the hashtag) is also automaticallyadded to the top-level post in the update. For example, if you include #Universal Paper in a comment under your coworker’spost, the topic Universal Paper is added to yourcoworker’s post.