Building bridges today that society tomorrow will walk across
I've been trying to check in from my classroom, including describing the conference to my grade 4 class and watching some of the live video together.
You can add my experience to the list of people experiencing tech problems, however I haven't found it to be frustrating since I'm not trying to participate actively.
However, it appears that the technical problems are almost all related to the 'live' elements of the collaboration, ustream & backchannel in my case. When I have more time, I plan to try to contribute to the wiki and blog, and so far it feels that those may be the more effective vehicles for collaboration.