iCloud vs Google Drive vs Dropbox vs Microsoft SkyDrive

Which one is the best cloud storage service? Apple iCloud, Google Drive, Dropbox or Microsoft SkyDrive?

Just tell me why…

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#0

Apple iCloud

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    Google Drive

      #0

      Dropbox

        #1

        Microsoft SkyDrive

        1. Frank Stoppa [1] argued:
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          Lot of free spiace
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