User Analysis
Our users are regular people, keenly interested in privacy but not necessarily knowledgeable about the technical details of cryptography. They want to discuss potentially sensitive or incriminating topics without being tracked. They could be political activists in an environment where the government doesn't support their viewpoints. They could be children wanting to discuss something without their parents seeing it. They could be researchers looking for a way to collect secure, anonymous data from others. Or they could be employees of an enterprise working on a sensitive project and don't want technical details to be divulged to outside sources.
Characteristics
- Concerned with Privacy
- Unconcerned with Technical Details
- Concerned about Personal Safety
Task Analysis
General Actions
Task |
Why |
Where |
Environment |
Frequency |
Effort |
Taught |
Pitfalls |
Others Involved |
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Authenticate Pseudonyms |
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Find Public Conversations |
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Erase evidence of communication |
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Conversation Types
Task |
Why |
Where |
Environment |
Frequency |
Effort |
Taught |
Pitfalls |
Others Involved |
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Have a Group Conversation |
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Have a Public Conversation |
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Have a Private Conversation |
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Conversation Actions
Task |
Why |
Where |
Environment |
Frequency |
Effort |
Taught |
Pitfalls |
Others Involved |
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Join |
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Leave |
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Send |
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Receive |
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Log |
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- Have a secure and anonymous group chat (private to the group).
- Join/leave the group chat.
- Send/receive messages.
- Log the group chat.
- Have a public and anonymous conversation (readable by all).
- Join/leave the conversation.
- Send/receive messages.
- Log the conversation.
- Have a direct, private, and anonymous and secure conversations.
- Send/receive messages.
- Log the conversation.
- Authenticate pseudonyms.
- Find public conversation topics.
- Erase evidence of communication.
Questions
- Have you ever found the need to securely converse with another person?
- Have you ever censored what you were saying to someone because you were worried about privacy?
Interviews
Interview 1)
Interview 2)
Interview 3)