"Why only registered Android developers? There's a lot more to I/O (and Google) than just Android.."

- Ofcourse, I was just eliciting a contrast to Apple's registration system for developers, Android dev was just 1 use case I'm pointing too.

"What do you mean by "hacked into it"? Do you mean people used wget -r on the developer docs and grep'd out codes to try?"

- Did you read the blog in full before asking this? In the blog, this is what Stan mentioned:

"By this time several HTTP crawlers had been created by individuals looking to secure a ticket to Google I/O ahead of today’s lottery. The crawlers used various tools and libraries to download images, web pages, and Youtube video annotations looking for more codes."