1. Using the hashtag #WhereWereYou, many social media users shared their stories of where they were when they heard the Twin Towers had collapsed.
  2. The 9/11 Memorial encouraged Twitter members to share their 9/11 stories, memories, and photos using the hashtag #Honor911.
  3. At memorial services in New York City and Washington, D.C., Twitter was filled with photos and quotes from both of the memorials. The nearly 3,000 victims' names were read out loud.
  4. The New York Police Department tweeted out each name of every service member lost on 9/11, and those lost afterward due to 9/11-related injuries.
  5. Time magazine photographer Patrick Witty, who took a photo of a crowd of New Yorkers watching one of the towers as it came down on 9/11/01, turned to social media users for help in identifying the people in his iconic photo.
  6. The New Yorker magazine displayed a slideshow of their 9/11 covers over the last 12 years.