Google’s offering up to $1.5m to anyone who can identify bugs in its new chip for Android smartphones. This is a especially high reward but Google’s just one of a host of big well-known companies running bug hunting programmes. But is this the best way for big business to protect its new tech?AI in Africa Does Africa need a different approach to AI – yes according to Professor Alan Blackwell of the Computer Laboratory at Cambridge University in England. He’s just started a sabbatical year across Africa working with AI experts – we spoke to him on the first leg of his trip at the Bahir Institute of Technology (BIT) in the North West of Ethiopia. Wi-fi on the bus Being online when travelling on the bus in parts of Kenya and Rwanda is not new, but now it is also possible in parts of South Africa as BRCK launch their public internet service there.Nanotech tracing stolen cars Around 143,000 vehicles worldwide were reported as stolen in 2018 according to Interpol. In the UK, only half are recovered. Now nanosatellites could be a new tool in retrieving stolen cars. Digital Planet’s Izzie Clarke has more. Producer: Ania Lichtarowicz(Photo: Google webpage. Credit: Getty Images)