Launched in 2008, Indiegogo claims to be the world’s largest donation-based crowdfunding platform. Crowdfunding is a strategy to raise capital using collected funds from many investors rather than from more traditional venture capitalist groups. Several crowdfunding websites such as Kickstarter and Indiegogo have changed the way entrepreneurs and inventors attract investors.

Based in San Francisco, Indiegogo distinguishes itself as one of the few major crowdfunding sites that is global, allowing startups to draw from a much bigger pool of investors. Several Indiegogo campaigns stand out for the interest garnered and the millions of dollars they attracted. An Hour of Code

The nonprofit is on a mission to educate 10,000 new computer science teachers and over a million students worldwide with one hour of computer code lessons. Helped by donations from Mark Zuckerberg, Bill Gates and Google, every donation was matched dollar for dollar, and in December 2014, reached its goal of raising $5 million.

Through new software programs, teaches computer code to one boy and one girl for every dollar donated. The campaign has helped teach over 40 million children in all grades from over 200 countries and believes it will attain its goal of reaching 100 million students.

Flow Hive: Honey on Tap

Having raised over $12 million, Australian bee enthusiast Cedar Anderson and his father Stuart surprisingly exceeded their original funding goal by a whopping 17,000% to become the most successful Indiegogo campaign in the site's history. Their product, the Flow Hive, takes the sting out of the hardest part of beekeeping – the harvest.

The cleverly designed hive allows for pure, untouched honey to pour from a tap by simply twisting a handle, eliminating the need to even open the hive. The Flow Hive makes harvesting honey much less stressful for the bees and the beekeepers alike, and it even allows you to watch the bees do their amazing work through clear plastic windows.

Sondors Electric Bike

After raising over $6 million and exceeding its original goal by nearly 7,000%, founder Storm Sondors closed his Indiegogo campaign in August 2015. An avid surfer who loves the outdoors, Sondors was inspired to create his electric bike after suffering an accident that limited his mobility. The result of Sondors' need to get to the beach resulted in an affordable and versatile electric bike.

The battery-powered bike cruises up to 50 miles on a single charge, and it can travel over sand or snow with fat, off-road tires. The campaign was not without controversy. The agency running the campaign sued Sondors alleging fraud and breach of contract after the company did not receive its share of the money raised. The bike began shipping in late 2015; at a cost of less than $500, it is thousands less than its competitors.

Gosnell Movie

The Indiegogo donation-based crowdfunding campaign to fund a film about convicted murderer Kermit Gosnell has raised over $2.3 million. The filmmakers allege that Gosnell, a former abortionist, killed hundreds of infants by sticking scissors into their necks after they were born alive, severing their spinal cords.

Gosnell admitted that at least 10 to 20% of the fetuses he aborted were probably older than 24 weeks in gestation, while former employees suggest the total was closer to 40%. Pennsylvania law prohibits abortions after 24 weeks. Gosnell was convicted on three counts of murder in 2013 and is serving a life sentence in prison, where film producers held an exclusive interview with him. In addition to performing illegal late-term abortions, he was convicted and sentenced to 30 years for running a pill mill, providing narcotics through fraudulent prescriptions for hundreds of thousands of prescription pills, including 600,000 pills containing oxycodone.

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