Any questions for Thomas Vander Wal?

I will be interviewing Thomas Vander Wal on Friday for a podcast on PodLeaders.com. According to Wikipedia:

Thomas Vander Wal is an information architect known for coining the term “folksonomy”. His work has been with the Web and with information design and structure.

If you have any questions you’d like me to put to Thomas, feel free to leave them in the comments of this post.