For before there was one such image, on the server, now there are two, on the server and in the browser: the image has been produced.

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You host the image elsewhere to avoid having your webhosting server have to share the image each time someone loads your page.

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While it does not image mobile devices, it can enable server backups of local data.

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But in some cases it was the creator of the machine image who was put at risk by leaving private keys on the server or failing to completely erase his or her own data before publishing it for customers to use, Balduzzi says.

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