You say, “There are sample sites you can go check out, but sample sites shows me nothing except what someone has done with Google. It doesn’t tell me whether this is all I can do or not, and it definitely doesn’t fully answer what the program is capable of doing.”

If you visit: http://www.cmswire.com/cms/web-publishing/google-gets-friendly-and-connects-the-web-002655.php

And watch the video (provided everything it shows works) and add some creativity and I think it will be up to the user at that point how they choose to use the service. Users will experiment and hopefully share stories. Isn’t that half the fun of this stuff?