"You ask a friend, a friend's friend, a friend's friend's friend, 'Do you know her?' and ultimately, you get there."
Song Jae Ho (formerly of Mad Town) explains that with wifi everywhere in Seoul, even though many idols don't have cell phones they're able to message their crushes freely using Kakao, Line, or other messenging services.
"This is so and so, and I think you're very pretty."
They become "ninjas" because they need to escape their dorms to go on a date. Some climb down poles/pipes or even jump out the window.
"How do you guys escape your dorms?"