Well, my mom asked me what a "blog" was a few months ago because she 
heard some newsmodels talking about blogs on TV.  So I guess these 
things can filter down eventually.  But she lived in Hillsboro, one 
town west of Beaverton, and I daresay she had not heard of Linux.  My 
cousin, a Machead from way back, lives in Aloha (kind of wedged in 
between Hillsboro and Beaverton), and I don't think she's any more 
than vaguely aware of Linux.  I'll have to ask her.  I'm in Portland, 
on the other side of the center of the Linux universe from Hillsboro, 
so I guess you could say my family revolves around Linux, 
geographically speaking, like the planets around the sun (except that 
we don't actually change positions).  I think I'm the only one who 
knows what it is, let alone uses it.
Now Nike and Intel, on the other hand ... everyone here knows them!