LG 55LM670T User Manual page 137

Facebook / You can communicate via SNS such as Facebook and Twitter
Twitter while watching TV.
With your Facebook account, you can easily see LG Smart
TV's great content recommended by other users. Click a
Activity
recommended program/show to move to the corresponding 3D
World, K-pop, or LG app.
You can see what other twitter users think about the shows
Talk
currently on.
✎ The functions of Social Center are subject to change according to TV
software update.