I've found this to be very helpful - I've received more than a few emails through my HN profile from people interested in what I am working on - often from peop

I've found this to be very helpful - I've received more than a few emails through my HN profile from people interested in what I am working on - often from people who did not publicly comment on anything I was doing at all. There have also been time when I've wanted to contact people and couldn't.