Email is just for old folks these days...
From the article in the Digital Chosunilbo:
The email era is coming to an end because replacement communication means such as Internet messengers, mini-homepages (dubbed "one-man media"), and SMS are wielding their power. As a consequence, the stronghold of email, once the favorite of the Internet, is being shaken from its roots.
The ebbing of email is a phenomenon peculiar to Korea, an IT power. Leading the big change, unprecedented in the world, are our teens and those in their 20's. The perception that "email is an old and formal communication means" is rapidly spreading among them. "I use email when I send messages to elders," said a college student by the name of Park.