Facebook's Portal Into Your Home

Will people trust Facebook's video-chat device given the company's privacy and data security troubles? Despite glowing reviews, Google's high-end Pixel phones have failed to make a mark in the past - will it be third time lucky for the new handsets? Plus, how China's Tencent is backing research into Parkinson's Disease. And we visit the Ada Lovelace Day event in London celebrating women's contributions to science and tech. Presented by Rory Cellan-Jones, with BBC Online tech editor Leo Kelion, and special guest Shona Ghosh, senior tech reporter at Business Insider.