Google is giving out free storage headroom to encourage its users to make their account more secure. To do this, users will have to review their current account settings such recovery information, account permission and 2-step verification settings to see if the data that are on there are up to date. On top of that, users will also have to check how many devices are linked to their account, and what those devices are.
This will only take less than 5 minutes! click here: https://security.google.com/settings/security/secureaccount