18:32World Business ReportFirst broadcast 2016/11/16 18:32 GMT: Snapchat 'Files for Stock Market Float'BBC World Service Duration: 27 minutes Wed 16th Nov 2016, 18:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowThe social media app Snapchat could be worth as much as $25 billion. Show more GenresFactualMoneyFormatsBulletinsBrandWorld Business Report Source: BBC Online