Read the write-up by computer science freshman Sean Nam in The Guardian: Google X Introduces Project Glass to Students. Excerpt below.
Also, check out the Google Glass "How if feels" video for a more immersive experience.
When asked what the hardest part of developing Glass was, Lau pointed to the miniaturization of components into something wearable. He said the Glass team worked to create a new prototype almost every two months, starting from scratch every time.
Lau also pointed to the scope of the user interface (UI). He said the team constantly added, stripped away and redesigned features and design elements.
“I think I’ve written seven UI’s and thrown out six,” Lau said.