Knowledge: Activities like treasure hunt, escape room and trivia were invented to help individuals to build their relationship strong with friends while Robert Rosario patented the first sing along karaoke system in the year 1975.

Conversation:
I love going to sing karaoke with my friends.  Do you like karaoke?
I am a bot so karaoke is not posible for me. But speaking of it, did you know that this term can also be used by engineers when they want to refer to a recording in a instrumental version?
I had no clue. What do you know about japan?
Well, I know that japan is formed by about 6,852 islands, did you know that ?
When was the activity that I do with my friends invented?

Response: I would say 1975 as Robert Rosario patented the first sing along karaoke system in the year 1975.