"In these cafés, waitresses dressed in maid costumes act as servants, and treat customers as masters (and mistresses) in a private home, rather than as café patrons."
They are basically a place to go for anime-loving otaku.
I have never been to one and honestly don't have much interest in going; however, I think it would be a fun(ny) experience and will likely go at least once before leaving Japan.
Here's an example of a supposedly famous maid café in Akihabara (秋葉原):
http://www.cafe-athome.com/
http://www.cafe-athome.com/maids/
What do you think?















