I know that on the upcoming vacation I want to try my hand at making photo spheres. If I end up with any I like I will be able to post them on my Google Photo Sphere Page.
I ran down to a public area behind my building to try see if I could improve my shots. I do know it is best to stand at least a few meters away from any close object. I had plenty of time and created two to see whether I should hold my phone horizontally or vertically. It seemed to be a toss up.
Even when these don't come out perfectly, they are still fun! They give a slightly more accurate feeling of a place over a standard photo. The biggest problem is that it is a very involved, and therefore, conspicuous procedure.