The Coca-Cola "Happiness Machine" campaign is a highly successful and heartwarming marketing initiative that was launched by Coca-Cola in 2010. The campaign aimed to spread happiness and surprise consumers by placing special vending machines in various locations, which dispensed more than just Coca-Cola bottles.

Here are the key details about the Coca-Cola "Happiness Machine" campaign:

1. Concept: The central concept of the campaign was to create vending machines that not only dispensed Coca-Cola but also delivered unexpected and joyful experiences to people.

2. Surprise and Joy: In the videos capturing the campaign, when people inserted money and selected a Coca-Cola product, the vending machine went beyond simply dispensing the drink. It delivered surprises like multiple Coca-Cola bottles, pizza, flowers, or even a gigantic sub sandwich.

3. Locations: Coca-Cola strategically placed these "Happiness Machines" in various locations, including college campuses, city squares, and busy public places.

4. Reactions: The campaign captured the genuine reactions of people who were delighted and surprised by the unexpected gifts and experiences provided by the vending machine.

5. Video Campaign: The "Happiness Machine" campaign was promoted through a series of video advertisements that were shared on social media and video-sharing platforms like YouTube.

6. Social Media Engagement: Coca-Cola encouraged viewers to share their own "Happiness Machine" moments on social media using the hashtag #happinessmachine. This encouraged user-generated content and engagement.

7. Global Reach: The campaign was conducted in various countries, making it a global initiative that resonated with people around the world.

8. Brand Message: The campaign reinforced Coca-Cola's brand message of spreading happiness and creating memorable moments.

9. Continued Success: The "Happiness Machine" campaign was so successful that Coca-Cola continued to create new versions and variations of the concept in subsequent years.

The Coca-Cola "Happiness Machine" campaign is celebrated for its ability to surprise and delight consumers, creating positive and emotional associations with the Coca-Cola brand. It exemplifies the power of experiential marketing and the impact of creating memorable and shareable moments that resonate with consumers.