Samsung has created a giant digital whiteboard - The Verge
Westcoast - Samsung WA75C interactive whiteboard 190.5 cm (75") 3840 x 2160 pixels Touchscreen Black
Samsung QB75N-W interactive whiteboard 190.5 cm (75") (LH75QBNWLGC/EN)
Taking notes with an electronic pen on the flip screen and examining solutions for architecture. Anything written on the Flip will appear identically on the laptop screen.
Samsung Unveils New Interactive Display with Enhanced Usability for Educators at Bett 2023 - Samsung US Newsroom