AN OXFORD professor has claimed that we are allowing more and more of our personal data to be used - and are being spied on by DOORBELLS. Professor Carissa Veliz has warned that our cars, TV’s, computers and phones are all tracking our data with our permission. Share a picture or record your thoughts on Facebook, or type a search into Google, and that information is tracked and stored. “You turn on your smart TV. Tech giants such as Facebook and Google have harvested more information than ever before during the coronavirus lockdowns.