Also according to Internet Archive their robots.txt has changed in the last months.
This was a version that was archived:
http://web.archive.org/web/20080104044407/http://www.kogan.c...
At a glance, they are whitelisting some bots, including Googlebot, but not including Bingbot, and disallowing the rest.
User-agent: Googlebot
Disallow:
User-agent: *
Disallow: /
Another marketing stunt?