Hello Sang Lee

I follow you now. Nice Post! @thunderland

I welcome you to steemit. I give you some tips:
Just make your own post and comment others. This is a nice community here. If you click at @thunderland you can see my posts, and if you like them, you can upvote them and follow me.
You can do this with all users. Have fun and welcome here. @thunderland

If you get a price from steemitboard, upvote his comment with the arrow.
All the best for you and much fun here. -)))