To start making surgical masks, in a bid to try and reopen its production lines making electronics. And from bath toy to big business, the unbelieveable story of how the humble rubber duck took over the world. And well be getting the inside track on the world of sonic branding and jingles. How do you identify a brand with a sound . Its often a few seconds of sound that has become big business. A bbc report has revealed dieters in the uk are being targeted by firms that ask you to place a bet on how much weight you might lose, and if you do, you win money. What do you think . Let us know just use the hashtag bbcworklife. Hello and welcome to worklife. Good to have you with us. We start with uber, because the bumpy ride continues for the taxi and food delivery giant. Its latest figures show another huge jump in revenues. It has promised to be profitable by the end of next year, but for now, its still losing money. Lets show you the details. Uber made revenues of more than 4 billion in th