#HashtagFails? 5 Tips That Will Change Your Fortune — entrepreneur.com

The hashtag is the haiku of modern Internet culture. Despite the apparent randomness in which ones gain popularity, there's an art and science to selecting hashtags. You may be familiar with the epic failures. Susan Boyle’s #susanalbumparty and Research In Motion’s #RIMjobs will long be remembered for their extraordinary lack of awareness. And #AskJPM and #McDStories, too, have become case studies in what not to do on Twitter because their use unleashed a barrage of quips and attacks. (Hint: Open-ended questions can become bulls-eyes for trolls.) 

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