Brett_Tabke - 6:52 pm on Jun 10, 2009 (gmt 0)

> I am beginning to suspect that at least part of the
> ODP database was also used to seed this - or does the fact that some

no - this is not that type of engine. This is indexing pages that are pointed to by tweet urls (including shortened urls). That makes it a "hot topic" engine. It has nothing to do with the odp.