Rather than expose your banking details by holding them in a chip, LevelUp's NFC is just used to move the transaction along -- if it's used to get things started, shoppers can either switch to a QR code or complete the transaction with a second tap.

ENGADGET: LevelUp unveils payment docks that take both NFC and QR codes, leave out the guesswork

Farrell, whose salary will be funded jointly by the RFU and Saracens, is the latest player to switch from the 13-man code to union.

BBC: SPORT | Rugby Union | English | Saracens sign league star Farrell

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FORBES: Technology Saves A Bad Planner

Vainikolo's selection continues his explosive impact on the 15-man game following his cross-code switch from the Bradford Bulls to Gloucester in the summer.

BBC: Vainikolo named in England squad

Hape moved to The Rec in a cross-code switch from Bradford Bulls in 2008.

BBC: London Irish sign Bath & England centre Shontayne Hape

Chief Justice John Roberts asked the city's lawyer how long he needs to switch off his trigger lock (which requires entering a three-digit code) when a criminal is climbing through the window.

ECONOMIST: The Supreme Court hears a crucial case