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More companies should do this:

What should happen to your photos, emails and documents when you stop using your account? Google puts you in control.

You might want your data to be shared with a trusted friend or family member, or, you might want your account to be deleted entirely. There are many situations that might prevent you from accessing or using your Google account. Whatever the reason, we give you the option of deciding what happens to your data.

Using Inactive Account Manager, you can decide if and when your account is treated as inactive, what happens with your data and who is notified.

https://www.google.com/settings/u/0/account/inactive

(You'll want to log in first of course.)