And forget wi fi, forget bluetooth how about sending data with sound . Well get the inside track on how the technology could revolutionise the way we share information. Well speak to the man behind it. And staying with tech, apple has launched its new Smart Speaker, its called the homepod but its more expensive than rivals from google and amazon. So is it on your Shopping List . Just use the hashtag bbcbizlive. Welcome to the programme. Get in touch with your views on the homepod or anything else. It doesnt seem like all that long ago we were talking about brazils meteoric rise to economic stardom as one of the so called brics. But all that has come crashing down thanks to a string of Corruption Allegations involving top politicians and companies. And it could all come to a head again later today as brazils Top Electoral Court resumes the case against the countrys former president Dilma Roussef and her successor michel temer. Theyre accused of illegally funding their 2014 election win.