SUM/CUNY: With just 280 characters (140 at the start), Twitter has shifted the way information spreads. Since it was founded in 2006, the social media platform has risen to become a significant branding and broadcasting tool. But for cultural and educational organizations tasked with establishing a social media presence, questions about how to wield that tool for larger institutional goals loom large. Read more about a new book on the topic co-written by Professor Valerie Forrestal, Web services librarian at College of Staten Island online.