It appears that some of the first batch of PS4s are experiencing issues with the HDMI cable and some will refuse to boot having been tagged with the ‘Blue Light of Death' acronym.
LG V10: A solid contender distracted with gimmicks
...of Windows phone frenzy, Marshmallow 'progress' and a Ninja Monkey
Windows 10 build 10586.104 and changelog history site rolls out
windows 10 update
Is Steve Ballmer the unsung hero of Microsoft's resurgence?
Coin 2.0: More of a conversation piece than your credit card replacement