We updated BackType Alerts today by launching BackType Subscriptions: <a href="http://www.backtype.com/subscriptions" rel="nofollow">http://www.backtype.com/subscriptions</a><p>With subscriptions we'll update you by email or RSS whenever a new comment is made on a post or HN thread you're following.
I like backtype, but searching for "justin.tv" gives it fits. It keeps giving me things about random "Justin"s, or about "TV"s, which is <i>not</i> what I'm looking for.
i've been using the backtype alerts for a while now, looks like techcrunch is summing up old news (plus the little tidbit about subscriptions at the end