Citizens can formulate questions and suggestions, rate existing questions and electoral programs, and comment on them. Candidates can answer questions, comment on suggestions, publish their electoral programs, and debate with citizens and other candidates on the Liberopinion platform. The platform was tested in the 2009 Portuguese elections, receiving 3000 unique visitors and 380 registered users. In the parliamentary elections, there were 118 questions, 43 proposals, and 1 active candidate. The local election in Viseu had 2 active candidates answering almost all the questions (97% of 33 total questions). While still in the early stages of adoption, the case study showed the platform's potential to improve interaction between candidates and citizens during electoral periods.

1. Liberopinion as an enabling platform for elections 2.0: a case study www.liberopinion.pt Pedro Agante Libertrium pedroagante@libertrium.com Artur Afonso Sousa ESTV ajas@di.estv.ipv.pt Luís Borges Gouveia UFP lmbg@ufp.edu.pt

2. Traditional interaction during campaign Debates TV TV clips Campaign website Facebook, twitter Emails, calls candidate citizens Emails, calls Blogs Facebook, twitter citizens candidate

3. A turning point – citizen engagement Media interaction – debate Obama Mccain 2009: - 6 million messages sent to the candidates before the debate - 25000 questions registered in the official website source: NBC

5. all stakeholders in a single place

6. multidirectional and networked communication

7. deliberation based on questions, suggestions, answers and electoral programcitizens candidate

8. Liberopinion - Elections Questions & Answers Suggestions& Comments ElectoralPrograms

9. Interface

10. Interface

11. Interface

12. Interface

13. Interface

14. Interface

15. Interface

16. Interface

17. Interface – submit question

18. Interface – submit question

19. Interface – submit question

20. Interface – submit question

21. Interface – submit question

22. Interface – submit question

23. Interface - answers

24. Interface - answers

25. Interface - answers

26. Interface - answers

28. rate existing questions and suggestions

29. rate electoral programs

30. comment

32. publish their electoral program

33. debate with other candidates

35. Two versions, parliamentary and one local election

36. 3000 unique visitors and 380 registered users

37. Parliamentary elections: 118 questions, 43 proposals, 1 active candidate

40. Applications in e-democracy will become mainstream

43. Management of Favorites

44. How to prevent duplicate questions and suggestions?