While a well crafted logo can bring about tremendous brand awareness when unaltered, sometimes a refresh can be a good thing. Often times, the key is to insert subtle changes while maintaining the overall look and feel. Looking for a few sources of inspiration? The following list demonstrates three examples of famous logos that have successfully updated their look. 1. Discovery Channel’s design, which was crafted by Viewpoint Creative in Boston in 2008, provides a sleek and updated look with its switch from the Aurora Bold Condensed font to Gotham.  The globe’s connection to the d in discovery completes a