The idea of waterproof smartphones isn't new. It's been the gold standard of tech for many years in Asia. That being said, this is probably going to rock the US marketplace.
Phantom Phone Syndrome, or more appropriately Phantom vibration syndrome is real. According to Wikipedia :
Phantom vibration syndrome or phantom ringing is the perception that one's mobile phone is vibrating or ringing, when in fact the telephone is not doing so...
As LED tech progresses, they've discovered how to soften the harsh LED display, yet boost the power up to more usable levels. As you can see, this albeit useless 1000 watt light is really bright.