Cloud storage services such as Dropbox and Microsoft's Skydrive have been adding new features ahead of the , and I've been getting anticipatory e-mails from other competitors, reminding me of their existence, for weeks now.

So how do all these online storage services compared to the new Google Drive? We've put together a chart covering all the big features. Here are some of the highlights:

Of course, comparison charts won't tell you everything you need to know. You might, for example, prefer Dropbox because a lot of other people are using it, or Google Drive because you already use lots of other Google services and want to tie in cloud storage. Use the feature comparisons as a baseline, and then find the cloud storage service that's right for you.

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