Another thing that I noticed with this particular convention was that the price was quite a bit higher than I had expected. After talking with an acquaintance there, she mentioned that the big conventions that are popular now are quite a bit cheaper than this one. This made me wonder if the smaller conventions will be able to survive if most people start attending the big regional conventions.
I'm sure the internet plays a major factor in the attendance at conventions too. Homeschool parents can get so much information from the internet and can order their materials online causing them to do a lot more from home.
Still, there is nothing like being able to actually look at a real book and leaf through it and be able to tell whether this book or curriculum would be a good fit for your family. There is also something special about being able to talk to vendors face to face. They are usually very helpful.
Here are more of my thoughts about the home schooling convention - Why you should attend, what to look for, how to make the most of your time there, and where to find the conventions in your area.