In the last movie of the Seven Designers for Seven Dials series, designer Paul Cocksedge demonstrates what happened when you called the floating illuminated telephone number he installed for the project curated by Dezeen.
"What I'm inviting Londoners to do is to phone [the number] and as soon as it rings it begins to flash and you are in direct contact with the piece," says Cocksedge.
While the installation was in place during last year's London Design Festival, passers-by could dial the number and the voice of actress Joanna Lumley would answer and invite the caller to text "smile" to the five digit number that appeared from the original.
She explains that texting gives one pound to children's charity Barnardo's, then once someone donates the lights change again and a smile appears.
Dezeen commissioned seven young designers to create seven installations to hang above the streets of Covent Garden during last year's London Design Festival, and Cocksedge's installation was located on Mercer Street.
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