The document contains summaries of 5 articles: 1. How a social media platform was used to coordinate snow cleanup efforts in New York City after a snowstorm. 2. A newspaper campaign in Hong Kong that published fictional stories about freedom of speech in 2028 to raise awareness of concerns over decreasing free speech. 3. The launch of Nike's new website promoting social causes and environmentally friendly products. 4. A new Facebook app from Schweppes that allows customizing profile photos. 5. An experiment by KLM airline to surprise waiting passengers by researching them on social media and giving gifts based on their personality and destination.