Patent application reveals the accessory that Apple Glass users might need to navigate the wearable

Just yesterday we took a look at what could be the next big tech product, AR glasses or as some call them, smart glasses. We pointed out on Wednesday that expected to be called Apple Glass; the accessory might be used to help the user navigate his or her way around the device’s operating system.
Apple seeks a patent for an expandable smart ring”
Added to several patent applications that Apple has filed for a smart ring is a new one titled “Expandable Ring Device.” The ring device mentioned in the patent application gathers data from a user through the …
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