The document summarizes a rail safety campaign in Melbourne called "Dumb Ways to Die" that used an entertaining song and animation to spread its message in a memorable and viral way. By embedding the safety message in catchy, shareable content, the campaign saw over 44,000 people pledge not to do dangerous things near trains. It reduced the number of near-misses on Melbourne's rail system while the viral video was shared widely on social media within its first few days, reaching millions of views. The success was attributed to delivering an important message in a format that people wanted to engage with and share with others.