Welche Bedeutung steckt hinter der hier vorgestellten Vokabel aus dem Bereich Nice to know?

Olivia: 'How was the conference last week?' Pete: 'It was fine - not the type of conference I would normally go to, but I thought it would be a good idea to go and fly the flag a bit.'

to fly the flag

Do you know what it means?

• to draw attention to one's cause
• to hide in the audience
• to attend for only a very short time