What if you don't have a cell phone? Boom, checkmate.
I'm half joking, there's a percentage of people that doesn't have a smartphone, anything internet connected, who just have analog clocks or watches and who (I presume) would or could use this signal to sync things.
I'm half joking, there's a percentage of people that doesn't have a smartphone, anything internet connected, who just have analog clocks or watches and who (I presume) would or could use this signal to sync things.