LED message boards seem to be everywhere nowadays, having an impact in social habits as well as public interaction. Though LED message boards are probably starting to play 2nd or perhaps 3rd fiddle to the many kinds of social media sites, they still have a crucial duty, including some kinds of simple advertising and marketing and also emergency notifications. Their unlimited benefits stem from the capacity for updating messages and also notifications practically instantaneously.
https://www.change.org/p/led-message-boards-school-clocks