How do you decide when to rewrite an article that is more than a few years old and want to republish it? The article could be on any topic and might at first seem to be fairly complete insofar as basic information goes. For example, an article on the Challinor & Taylor Glass Company of Tarentum, Pennsylvania provides only a few lines on the history of the company because that is all that was available at the time when the article was written, in 2008. The bulk of the article consists of the different types of glass manufactures by the company, as well as patented glass design patterns. Thirteen years later, more detailed information about the company surfaces online, which can be paraphrased into your…