Japanese operator Docomo wants to free your SIM card from your phone to help manage your presence across multiple devices. Today, it announced a prototype Portable SIM device it hopes will one day do that. The Verge and Tech In Asia both demoed the device which uses a combination of_Bluetooth and NFC to connect with smartphones, tablets and PCs to store and transfer IDs, passwords, and other information used for online shopping and_more. The mini device loses its authentication when the connection drops, which provides some level of_security — however, the thought of putting a substantial amount_of personal information_in yet...

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