"Miku's biggest fans show up with wands that can change color with the tap of a button or slider. Colors aren't just generic red-green-yellow; they're specifically tuned to the different characters' shades."
"You can watch all of the Hatsune Miku videos on YouTube you want, but their 30 or 60 FPS refresh doesn't come close to selling what it's like to see this incredibly rendered vocaloid in the same room."
"More than a few times, I felt like I had been transported to a terrifying, sci-fi dystopia in which citizens had gathered to pay respects to their robotic overlords."
Ars Technica
http://arstechnica.co.uk/the-multiverse/2016/04/hatsune-miku-review-japanese-hologram-show/
http://www.radiolab.org/story/kpoparazzi/