Accessing the same set of files from an iPad and a Mac is easy thanks to file-syncing services. Dropbox and iCloud may be the best known, but they are just two of a range of options. Here's our take on some of the better-known alternatives. Keep in mind that as I was doing the comparison, even more options were surfacing. Among the newest are Google Drive, an updated version of Microsoft's Sky Drive app, Quickoffice Connect, and Cubby.
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