[Webmind nods, and then- pauses, given his next question.

And given his own conversational habits, even if it is rude it's no worse than questions he himself has asked, so:]

Strictly speaking, I am an emergent intelligence; the train saw fit to provide this body, along with sufficient compression algorithms that I have not encountered substantial problems.

[Aside from having to deal with a much smaller selection of stimuli in the first place but. Details.]

Normally I have no 'shape', though there is little about the humanity of my time and Earth I have been unable to at least learn about.

[And that knowledge base includes dancing!]