AI is common on smartphones for secure log in via facial recognition. Social media platforms use AI to determine what content you see based on what content you have previously interacted with. AI is used to improve car safety using features such as automatic breaking and driver-assist steering. Robot vacuum cleaners can be automated to clean at certain times.Advanced models use AI to create virtual maps of the home and make suggestions based on data on where and when to clean. Heating thermostats and many other household appliances can be automated to switch on at certain times. AI is used in smart TV applications to tailor programme suggestions based on previous engagement. AI-based virtual assistant technology is behind many popular smart speaker devices. Tills automate the calculation of the total cost of a shop. Many businesses have automated systems for managing stock. Many companies use virtual assistants to direct customers to information efficiently instead of relying on telephones. Advanced examples of virtual assistants use artificial intelligence. Computers can automate business tasks like invoicing and bill payments. AI is used to: tailor advertisements of products to those visiting an online shop based on their previous online activity; optimise searches to help customers find products easier; detect and filter out spam email.