ACM Logo  An ACM Publication  |  CONTRIBUTE  |  FOLLOW    

Want better courses?
just add usability...

By Lisa Neal, Michael Feldstein / August 2006

Print Email
Comments Instapaper

Error 526 Ray ID: 47b3ecf94ee9c5ee • 2018-11-17 17:30:31 UTC

Invalid SSL certificate








What happened?

The origin web server does not have a valid SSL certificate.

What can I do?

If you're a visitor of this website:

Please try again in a few minutes.

If you're the owner of this website:

The SSL certificate presented by the server did not pass validation. This could indicate an expired SSL certificate or a certificate that does not include the requested domain name. Please contact your hosting provider to ensure that an up-to-date and valid SSL certificate issued by a Certificate Authority is configured for this domain name on the origin server. Additional troubleshooting information here.


  • There are no comments at this time.


    Michael Feldstein
  1. Do you really need reusability?
  2. How to design recyclable learning objects
  3. Ill-served
  4. What's important in a learning content management system
  5. Disaster and opportunity
  6. 'E-Moderating' by Gilly Salmon and 'In Good Company The Secrets to Successful Learning Communities' by Don Cohen and Laurence Prusak
  7. In defense of online learning (and veggie burgers)
  8. There's no such thing as a learning object
  9. Designing usable, self-paced e-learning courses
  10. The digital promise
  11. Just "DO IT"
  12. Unbolting the chairs
  13. A call to arms
  14. Back to the future: what's next after learning objects
  15. What is usable e-learning?
  16. Ignore usability at your peril
  17. Don't Just Teach to the Metrics
  18. E-learning basics: essay: developing your e-learning for your learners
  19. Desperately seeking software simulations
  20. When Weblogs Can Be Harmful
  21. Informational cascades in online learning
  22. Lisa Neal
  23. How to get students to show up and learn
  24. Q&A
  25. Blended conferences
  26. Predictions for 2002
  27. Learning from e-learning
  28. Five questions...for Tom Carey
  29. Not all the world's a stage
  30. Five questions...for Karl M. Kapp
  31. Five questions...for Larry Prusack
  32. Five questions...for Seb Schmoller
  33. Do distance and location matter in e-learning?
  34. Why do our K-12 schools remain technology-free?
  35. Music lessons
  36. Learn to apologize for fun and profit
  37. Of web hits and Britney Spears
  38. Predictions for 2008
  39. Advertising or education?
  40. Five questions…for Matt DuPlessie
  41. Back to the future
  42. Serious games for serious topics
  43. Five (or six) questions...for Irene McAra-McWilliam
  44. Learner on the Orient Express
  45. Five Questions...for Christopher Dede
  46. Five Questions... for John Seely Brown
  47. Five questions...for Shigeru Miyagawi
  48. "Deep" thoughts
  49. 5 questions... for Richard E. Mayer
  50. Designing usable, self-paced e-learning courses
  51. Just "DO IT"
  52. Five questions...
  53. Formative evaluation
  54. Senior service
  55. Blogging to learn and learning to blog
  56. Is it live or is it Memorex?
  57. The Value of Voice
  58. Predictions for 2006
  59. Predictions for 2007
  60. My life as a Wikipedian
  61. Five questions...for Elliott Masie
  62. The stripper and the bogus online degree
  63. Five questions...for Lynn Johnston
  64. Predictions For 2003
  65. Storytelling at a distance
  66. Q&A with Don Norman
  67. Talk to me
  68. Q&A with Diana Laurillard
  69. Do it yourself
  70. Degrees by mail
  71. Predictions for 2004
  72. "Spot Learning"
  73. Q&A with Saul Carliner
  74. When will e-learning reach a tipping point?
  75. Online learning and fun
  76. In search of simplicity
  77. eLearning and fun
  78. Everything in moderation
  79. The basics of e-learning