Hashtag Spam and twitter parties (they are synonyms). If you are not familiar with Twitter, you might not be familiar with hashtags, surely you are familiar with Spam. Twitter is a microblogging service. You can update your status using just 140 characters. It’s not quite a bulletin board, but it’s not a blog either. In order to maximize your very brief updates, you can add a hashtag to a word and twitter will make is searchable. A hashtag is the number sign #. When groups of people use a hashtag …