Blood bank:

• value is from time
• have a "time bank", "caring bank", "courage bank"
• Increase your own balance
• "It's not just blood"
• Celebrates a person's past good deeds by suggesting that all these actions contributed to an ongoing balance
• Establishes blood nz's blood bank as an analogy for these metaphorical bank
• look at the "worth"
• Banks are boring, potentially turn the idea of a "bank" into your own mobile banking app on your phone.
• Focus on the fact that when you're giving blood, you're also giving your Caring, Time, effort bravery
• These are required for donating blood already, but lets celebrate it instead of solely looking at the blood. - Blood is grim
• Four possible "banks"/virtues needed to give blood:
  • Caring
  • Time
  • Effort
  • Bravery

Lends itself to an installation that invites people to share other actions that would have contributed to these balances. - People like talking about themselves.