Bits and Bytes with Peter Griffin helping you navigate the world of technology and analysing the latest news from the digital world. This week Snapchat becomes a real threat to Facebook, Instagram and WhatsApp, so why have over a million users signed a petition unhappy about a design change to the app? Plus horror stories are emerging from people seeking a replacement battery for their throttled iPhones, and Emily Wang looks at cryptojacking at Tesla, so hackers using Tesla's cloud computing to mine cryptocurrencies. And a listener question, why can't cellphone records be used to locate missing airliners like Malaysian Airlines' MH370.