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Twitter hashtags - Your resource for # hashtags!
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What Are Hashtags (#)?  I see them all the time on Twitter and Instagram.

Definition: The # symbol, called a hashtag, is used to mark keywords or topics in a Tweet.  The hashtag system was created organically by Twitter users as a way to categorize messages.

Hashtags: Help you find interesting Tweets

People use the hashtag symbol # before relevant keywords in their Tweet to categorize those Tweets to show more easily in Twitter Search.

Clicking on a hashtagged word in any message shows you all other Tweets in that category.

Hashtags can occur anywhere in the Tweet.

Hashtagged words that become very popular are often Trending Topics.  A hashtagged word in a tweet normally looks like this #movies

Using hashtags

If you Tweet with a hashtag on a public account, anyone who does a search for that hashtag may find your Tweet.

Twitter best practices recommend using no more than 3 hashtags per Tweet, and they should be relevant to the tweet topic
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