Type of site
|Headquarters||New York City, New York State, U.S.|
|Alexa rank||35,772 (March 2017[update])|
Thunderclap is a platform that lets individuals and companies rally people together to spread a message. The site uses a model similar to crowdfunding sites such as Kickstarter, in that if the campaign does not meet its desired number of supporters in the given time frame, the organizer receives none of the donations. This is referred to as "crowdspeaking". Backers are required to copy the original message in tweets or social media posts.
Thunderclap is owned by De-De, a New York City-based product development studio, which is backed by Australian advertising executive David Droga. Site founder David Cascino says that the idea for the site came to him when he saw a Occupy Wall Street protestor speaking through a megaphone through a crowd and noticed that the crowd was repeating the message, word-for-word. 
Campaigns include activism, fundraising, films, creative projects, and product launches. Thunderclap campaigns have been run by the White House, Major League Baseball, People (magazine), Levi's, Durex, TOMS, Sony Pictures, the Discovery Channel, Mozilla, BBC, and United Nations.
- "Thunderclap.it Site Info". Alexa Internet. Retrieved 2014-05-28.
- Wardle, Hilary (2014-03-25). "How New 'Crowdspeaking' Site Thunderclap Is Revolutionising Online Awareness Raising". The Huffington Post (United Kingdom ed.). Retrieved 2014-07-14.
- Kate Freeman (May 31, 2012). "'Crowdspeaking' Platform Thunderclap Pushes Your Tweets to the Masses". Mashable.
- "David Cascino "Thunderclaps" his way to ADC Gold". Art Directors Club of New York. 2014-05-28. Retrieved 2014-05-28.
- "Thunderclap for Brands". Thunderclap. Retrieved 2014-05-28.
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