A selection of notes from British artist 's 1,500-note collection goes on display in London . Artist spent the '70s trawling streets finding scraps of paper detailing people 's lives . In era of smartphones and social media , notes provide reminder of power of handwritten word .
A selection of notes from British artist 's 1,500-note collection goes on display in London . Artist spent six years trawling streets finding scraps of paper detailing people 's lives . In era of smartphones and social media , notes provide reminder of power of handwritten word .