2 minutes later, it's there.
This is a very obscure phrase that no one else ever uses. ...
hackerne.ws/item?id=973578 - 1 minute ago
With Twitter Search you can easily see the most recent results first.
I think it's a fairly recent feature, but it's there.
That said, it's not clear to me that humanity actually needs real-time search. Maybe there's some advertising value in winning the race to be #1 for "hudson plane crash" but is there really a business here?
1) Some cretin camped on a domain and didn't have the courtesy to do a 301
2) PG is an asshole and ignores the Host header. HTTP/1.1 was a decade ago!
3) Google is a jackass and prefers a low-pagerank domain.
Maybe some asshat used Feedburner to proxy RSS via that domain?