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+# Frequently Asked Questions
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+### What about the connection? It's a P2P-connection directly from device to device or is there any third-party-server?
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+It uses a P2P connection when WebRTC is supported by the browser. (WebRTC needs a Signaling Server, but it is only used to establish a connection and is not involved in the file transfer).
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+If WebRTC isn’t supported (Safari, IE) it uses a Web Sockets fallback for the file transfer. The server connects the clients with a stream.
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+### What about privacy? Will send files be saved on third-party-servers?
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+No files are saved on a third-party-server.
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+
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+### Is SnapDrop a fork of ShareDrop?
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+No. ShareDrop is built with ember. Snapdrop is built with Polymer.
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+I wanted to play around with Progressive Web Apps and then I got the idea to clone Apple’s Airdrop. By doing research on this idea I found and analysed ShareDrop.
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+### Where can I see the source?
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+[Github](https://github.com/capira12/snapdrop)
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