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1. All the five projects are reward-based crowd-funding where I focus on in this research.
2. All these five projects raised funds through crowd-funding platforms. There is a trend that platform, especially online platform, will be a necessary component of successful  crowd-funding campaign.
3. All these five projects are creative. I think creative ideas and high-tech industry will attract more investment. We can also say that creative ideas and high-tech products are more likely to raise money via crowd-funding.
4. The amount raised by most projects are far beyond target amount. We can see some characters of crowdfunding. Good projects are easy to get support and investment from crowd and they can raise sufficient funds very fast.
5. According to the projects I provide, not all projects are successful in the end. That shows there are still many security problems existing in crowd-funding.  It is important for investors to be be careful about the risks, which is helpful with avoiding scams.

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"A company called Skarp raised $4 million for its Laser Razor. Then Kickstarter pulled Laser Razor because it didn’t even have anything close to resembling a working prototype." (GIZMODO, 2015)

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Space combat video game from Chris Roberts, designer of Wing Commander. (Wikipedia, 2016)

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This cool New York project raised money through Kickstarter to build a filtered, floating swimming pool in the middle of the river. The team is now hard at work developing the full water cleansing assembly and finding the best structural, mechanical, electrical and filtration systems. (Goodnet.org, 2013)

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Portable 60 quart cooler designed by Ryan Grepper that contains a battery powered rechargeable blender, waterproof Bluetooth speaker, USB charger, cutting board, plates, among other features. (Wikipedia, 2016)

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"The Pebble Time is the third generation version of the smartwatch called the Pebble Watch. The Pebble Watch itself was one of the highest backed projects on Kickstarter." (Wikipedia, 2016)

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Following are five significant projects which were funded though an crowd funding approach.

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What is crowd-funding? (Brief Introduction)

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What is crowd-funding? (Brief Introduction)

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My Definition:
Crowd-funding is a campaign held by an organisation or individuals (who are called initiators) to raise money from a large number of people, for supporting a project which may bring return for the contributors.
Definition from Wikipedia:

Crowd-funding (a form of crowdsourcing) is the practice of funding a project or venture by raising monetary contributions from a large number of people, today often performed via Internet-mediated registries, but the concept can also be executed through mail-order subscriptions, benefit events, and other methods.
Types of Crowd-funding:
From my research, I find that there are many different types of crowd-funding, because of different classified methods. I prefer to classify crowd-funding into four basic types:
1. Reward-based crowd-funding,
2. Equity crowd-funding,
3. Debt-based crowd-funding,
4. Donation-based crowd-funding.