Tech giant Google surprised the tech community when it launched the digital wallet platform Android Pay, which allows users to easily purchase goods and services using their mobile devices. Now, Google is yet again making another major breakthrough in the digital payment platform with Hands Free, a payment system that allows users to pay for purchases without touching their smartphones.

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Google launched Hands Free on March 2. The company said that the service will be released in a few locations in the San Francisco area. The tech giant added that stores like McDonald's and Papa John's will support the new payment method.

Hands Free is just one of the many experiments tech companies are engaged in to create a new and secure way for consumers to complete their transactions. With services like Hands Free, users can easily pay for services using not only their mobile phones but also their smartwatches and smart home appliances like refrigerators.

Google said that Hands Free will be a completely different service from Android Pay. Although both services help users in mobile payment transactions, their methods are different. While Hands Free uses voice commands, Android Pay utilizes near-field-communication in order to complete user transactions.

According to CNet, Hand Free works by tracking user location through Wi-Fi connection and other sensors installed into the user's smartphone. Through this sophisticated array of sensors, Hands Free will be able to detect which exact store the user is currently in.

Users only need to say "I'll pay with Google" and the cashier will confirm their identity through their initials and photo loaded into the Hands Free app.

Google said that it is experimenting with using in-store cameras to verify user identity. The tech giant added that using cameras will be a handy and easy way to confirm user identity.

In a statement, Google said, "We're also in the early stages of experimenting with visual identification so that you can breeze through checkout even faster."

While it might open up security concerns, Google said that all images and data taken by these cameras will be immediately deleted once the verification process is completed and stores will have no direct access to the data.

TagsGoogle, Google Mobile Payment, Google Hands Free, Hands Free, mobile payment, google pay