how do you address a group

I was wondering how everyone opens up group discussions with other people how do you address the group?

• Guys
  • 
  • 
  • 
  • 
  • 
• People
  • 
  • 
• Peasants
  • 
  • 
• Ladies and Gentlemen
  • 
  • 
• Boys and Girls
• *takes a dump on the floor*