European leaders gather for family photo at summit in Prague - HD footage

The video consists of a casual greeting, repeated twice, serving as an introduction.

What do you think the phrase 'What's up?' signifies in a conversation?

How might the meaning of 'What's up?' change based on tone or context?

What are some alternative phrases to 'What's up?' that convey a similar meaning?

In what contexts do you think people commonly use the phrase 'What's up?'?

Can you provide an example of a situation where 'What's up?' might be an inappropriate greeting?