One for wannabe spies, mischief-makers and the terminally bored today.

Type your message in the top box and it's "flipped" into upside down, back to front text in the bottom one. Copy and paste this into wherever you like and only the people who know about this site will be able to decode what you're on about. Good fun sending stuff round the office using it to see all those puzzled looks and craned necks...

www.revfad.com/flip

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