In the second world war he worked at Bletchley, a country house where clever people broke enemy codes.

ECONOMIST: Roy Jenkins

The White House hopes that industry groups will develop codes of conduct in keeping with our new digital privacy rights.

FORBES: Obama Says Privacy Isn't Dead As White House Calls For 'Consumer Privacy Bill of Rights'

Other features in Denbighshire which have been given QR codes include the Clive Engine House at Dyserth, Rhyl lifeboat, the Llangollen international pavilion, Gronant sand dunes and the old jail at Ruthin.

BBC: North East Wales