Box.com, through Hellosign.com, is offering 25GB of online storage for new accounts. Only your email address is required; no credit card, no name, no phone number are required. You might even be able to have more than one account by using different email addresses.
Fill in your email address on HelloSign.com.
You should then get an email with a link to sign up for a free 25GB Box.com account.
On that page, fill in your email address and choose a password.
Box.com will send you an email confirmation, which you verify by clicking the link in the email.
You can upload all your personal files (up to 25GB) including documents, music, movies, and photos, which can be shared across your devices and with other people you choose.