Google recently launched their 55 inch 4k digital whiteboard called Jamboard. It essentially tries to improve and enhance the whiteboard experience by leveraging the current power of 4k and inter-connectivity.
It boasts some impressive features like handwriting and shape recognition, 16 touch points, seamless integration with Jamboard apps on phones and tablets. If you are interested in the full specs you find them here.
The only downside you could argue about is it’s price: $5000. Next to that, you will also be required to pay an annual management and support fee of $600. If the price is no issue then you might just be signing on to the next evolution of a collaborative experience.