ACM Logo  An ACM Publication  |  CONTRIBUTE  |  FOLLOW    

Learn to apologize for fun and profit

By Lisa Neal / December 2007

Print Email
Comments Instapaper

Error 526 Ray ID: 4890a9fb1c80c5d2 • 2018-12-14 12:27:20 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.


    Lisa Neal
  1. Five questions...for Lynn Johnston
  2. Five questions...for Tom Carey
  3. Not all the world's a stage
  4. Five questions...for Karl M. Kapp
  5. Five questions...for Larry Prusack
  6. Five questions...for Seb Schmoller
  7. Do distance and location matter in e-learning?
  8. Why do our K-12 schools remain technology-free?
  9. Music lessons
  10. Of web hits and Britney Spears
  11. Predictions for 2008
  12. Advertising or education?
  13. Five questions…for Matt DuPlessie
  14. Back to the future
  15. Serious games for serious topics
  16. Five (or six) questions...for Irene McAra-McWilliam
  17. Five questions...for Shigeru Miyagawi
  18. "Deep" thoughts
  19. 5 questions... for Richard E. Mayer
  20. Designing usable, self-paced e-learning courses
  21. Want better courses?
  22. My life as a Wikipedian
  23. Just "DO IT"
  24. Five questions...
  25. Five questions...for Elliott Masie
  26. The stripper and the bogus online degree
  27. The Value of Voice
  28. Formative evaluation
  29. Predictions for 2006
  30. Five Questions...for Christopher Dede
  31. Five Questions... for John Seely Brown
  32. Senior service
  33. Blogging to learn and learning to blog
  34. Predictions for 2007
  35. Storytelling at a distance
  36. Q&A with Don Norman
  37. Talk to me
  38. Q&A with Diana Laurillard
  39. Do it yourself
  40. Online learning and fun
  41. In search of simplicity
  42. eLearning and fun
  43. Everything in moderation
  44. The basics of e-learning
  45. Is it live or is it Memorex?
  46. "Spot Learning"
  47. Q&A with Saul Carliner
  48. When will e-learning reach a tipping point?
  49. Learner on the Orient Express
  50. How to get students to show up and learn
  51. Q&A
  52. Blended conferences
  53. Predictions for 2002
  54. Learning from e-learning
  55. Degrees by mail
  56. Predictions for 2004
  57. Predictions For 2003