Convolution: What makes a good con from an author’s point of view?

For the last few years, I have rarely attended a convention where I couldn’t commute from home, and they are few, so I was delighted to invited to attend Convolution, a fairly new convention, held at the Hyatt Regency near the San Francisco airport. It was a bit of a drive, but Dave Trowbridge, my lovely spouse, was invited to be a guest, too, and that meant help for the long, late trudge home over twisty mountain roads. For both of us, the convention was an enjoyable, stimulating, and worthw...