They are from the search engines.. google, yahoo etc. they search the website and index it. so when you search for "2013 Basestation" for example it will include some of the Expandas downunder webpages in the search results. If that makes sense?
Ok got it thanks......good to know we're not being invaded!
Pretty cool!One of the changes of recently in the software was to tell us who the robots where.
You can see them here -
http://www.expandasdownunder.com/online/?type=robot
Pretty cool!