Some tools for sharing large files

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What can you do when you have to send someone a large file over the Internet and it's too big to attach to an email? Is Dropbox the only alternative? Not at all, Amit Agarwal writes. For example, there's Skype: "The popular Skype app can also be used for sending documents, photos, videos and other large files of any format to your Skype contacts. Just initiate a chat session or a audio/video call with a contact and choose the Send File option to initiate a transfer."