Best of CES 2023: A color-changing BMW and a boba tea robot

Tech companies are showing off their latest products at CES, formerly known as the Consumer Electronics show. Innovations include a bartending robot making boba tea and a digital device from L'Oreal to quickly paint on eyebrow makeup. Meanwhile, BMW is betting on a car that can change colors. The German car manufacturer’s latest concept car can display up to 32 colors and allows drivers to customize their cars digitally. The mid-size sedan has a voice assistant as well as physical and digital elements that allow the headlights to create facial expression and express moods such as joy, astonishment and approval.