Here, along with your username and password, you can set your Google account to ask you for a six-digit code that Google will send via text message to your phone.

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When contacting the BBC, pasting this error message into your email, along with your IP address, post code and internet service provider information, will help us diagnose the problem.

BBC: Your guide to the BBC Embedded Media Player

You write a message, and Mixcard sends off a postcard to your recepient with a QR code for them to get their mixtape.

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