I don't know why, but something in this book makes me think of Roberts' The Land of the Headless. When I've finished Air I'm going to read other reviews and find the connection. And then I might reread Roberts, although I remember the concept being more interesting than the story. I do hope that's not the connection...
Mae lived in the last village in the world to go online.Last line:
[redacted for possible spoilers] , all of them, turned and walked together into the future.
Update: Mae is written more warmly as the story unfolds. I was interested to note that I had no believability problem with the surprise pregnancy (spit: don't swallow) but for me a talking dog was a an innovation too far.