Addressing Others in Korean - Using Family Titles with Strangers

Question today comes from....

Koreans call everyone uncles and aunties. How big is Korean family?

How to Address Others in Korean

호칭 • 이름 부르기

Question today comes from Mark in Canada:

I heard Koreans do not call older people by their names. Then how do you address each other? How about in professional relationship such as colleagues or your clients?

Google Commemorates Hangeul Nal

Google doodle today, commemorating and celebrating the 565th Hangeul Day (제525돌 한글날) on Oct 10, 2011, Korea time (http://google.co.kr).

Hangeul is the name of Korean writing system, and the day falls on Oct 10 each year.

And, of course, the message is an addition by yours truly, not by Google. :)

Which Tone of Speech Should I Learn First?

Question today comes from Junil Jung in Chicago, Illinois in U.S.A.

I am studying to go to Yonsei Korean Language Program in summer. I took a look at their textbooks, and they were teaching -니다 form. I read your note and understand the difference between -니다 and 아/어요 form. My question is, which one should I have learned first? 

Tone of Speech 101

Question today comes from Johanne from Austria:

My teacher taught me -요 form. But when I talk to Korean people, they keep on correcting me and ask me to use -다/까 form. I am confused. What's the difference?