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OneDrive is much better than the Dropbox, Onedrive give you Unlimited space with Office 365 for $70 year
For people who take a lot of high-res photos and rich video you can go through 3TB of space pretty quickly. As an individual I don't want to have to buy a business account for a minimum of 3 users. Having an option to go to unlimited storage or add a few TB would be really customer friendly.