It is something that growing up in Canada you are used to seeing. They are also apparently getting easier and easier as noted in this Wired article:
http://www.wired.com/science/discoveries/news/2007/01/72511.

The relevant wikipedia article: http://en.wikipedia.org/wiki/Skill_testing_question, also has a link to a much more in depth review of the laws.

It will also be available for the PS3, although it was recently delayed to be released a "couple of weeks" after October 9th.