1.OpenID UI timdream myID.tw / Daodin.tw ICOS 2010

2. myID.tw / Daodin.tw an OpenID IdP OpenID 1.0/2.0 SReg/AX support (Mature) SNS website Personal portal (beta) 3. Usability? / Learnability Memorability UI Efficiency UI Errors Satisfaction UI (defined by Jakob Nielsen, translated by vgod) 4. Example! ... 5. OpenID OpenID [google ] [] [http://gfx.tw/myname ] [] [https://www.google.com/accounts/o8/id ] [] 6. (scalability) OP ... ... OpenID: [http://[].wordpress.com/ ] [] WP.com ID: [ ] [] 7. 8. OpenID OpenID Google 9. OpenID breadcrumb 10. 11. Learn from examples (as all web developers did), but don't just copy from it ... novice user thinks differently do user testing 12. From Interaction Design: beyond human-computer interaction by Preece, Rogers, and Sharp. 2002. 13. Daodin NSC99-2631-H001-029