The company imagines a future where a USB device, smartphone, or ring, will be used to access email accounts.

Instead of having to remember lots of long and complicated computer passwords and typing them in, Google imagines a future where passwords will be physical. This could include inserting a USB drive to check your emails, tapping a ring to enable access to accounts, or using a device like a smartphone to authorize new computers.

In a new research paper, which is due to be published later this month in the engineering journal IEEE Security & Privacy Magazine,  two security experts from Google discuss the different ways people could be logging on in future.

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