Wow. What a great question! I found that I was sitting here answering it to myself. After starting down a rabbit-hole on how the browser would probably need to do some GPU initialization, I realized how much fun I'd have talking through this with someone in an interview.

"Let's see, I guess the wifi radio is going to have to do an RSSI measurement..."

It actually gave me goosebumps when I realized that I was so caught up in it and how excited I was getting.