TurfTV
From the ReportOnBusiness.com:
Though it’s still more than a year away from commercialization, Sportexe has patented a technology that will effectively turn entire sports fields into giant computer screens.
With the new turf, the labour-intensive process of converting a football field into a soccer field could be done in seconds using a computer.
[…]
An image — a first-down marker, foul-ball line, beer logo, whatever — is electronically sent to field level, where it’s distributed through a network of thousands of interconnected trays that convey light.