I’ll be joining a group of Triangle residents tomorrow at Raleigh Twestival, which is a party at Edge Office to support Charity:Water, an organization that is dedicated to bringing clean and safe drinking water to people in developing nations. People all over the world (over 175 cities) are also meeting up to support this cause tomorrow. This is a HUGE event and a great example of people harnessing the power of social media for social change.  Using only the power of word-of-mouth, social media tools such as Twitter, Facebook and …