Do No Harm

• The second ACM general ethical principle is

  Avoid harm

• As examples of harm the ACM gives
  • Unjustified physical or mental injury
  • Unjustified destruction or disclosure of information
  • Unjustified damage to property, reputation, and the environment
• Social networks have been used to bully and harass people
• Especially women and minorities
• IT skills have been used for these purposes
• They have also been used to invade people's privacy
• And reveal personal information
• Even seemingly neutral activities can have bad consequences
• Bitcoin mining uses as much power as a small country according to some estimates