BBC NewsYahoo spends 'millions' on UK teen Nick D'Aloisio's Summly appBBC NewsAn app created by a UK teenager has been acquired by web giant Yahoo in a deal the BBC understands to be worth "dozens of millions" of pounds. Seventeen-year-old Nick D'Aloisio's Summly app summarises news stories from popular media companies.Yahoo to Buy Summly Mobile AppWall Street JournalYahoo!