WP-Hashtag is a WordPress plugin wordpress that enables you to create hashtags like Twitter. WP-Hashtag is not be used to grab Twitter's hashtags from Twitter server, but, this plugin enables you to insert WordPress Tag without typing it from Post Tags Box. You could do it directly from WordPress Visual/HTML Editor, just by adding # (sharp) prefix in front of the word you wanted become WordPress tag, and this plugin would automatically insert the WordPress tag to the WordPress database if the tag is not existed yet and you can see from your WordPress blog post, a number of link would automatically inserted to your blog post depend on the number of tag you write on your post.
With WP-Hashtag, you obtain easiness in inserting/linking the tags. This plugin also facilitate your blog readers to seek your articles with related tags, because your blog readers could directly click the tags link while reading your post.