What's Hum's relationship with Email? Will it be integrated in any capacity? Also, not in a technical manner, but how will Hum be different than any other chat program?

Hum is able to both send and receive emails. People who receive stuff you send over email will be able to reply using the usual reply button, but it's not a full-fledged email client. The email integration is there to make it easy for folks who'd like to use it with their existing network of email contacts.

In addition, every Hum user gets an email address at letshum.com that they can use for incoming email.

This didn't address the question of how Hum will be different than any other chat program

Yeah, it kind of did.

Which chat program do you know can send a message as an email? And receive chat messages via an email address?

It seems the idea behind this, is that it's a "persistent chat".

Doesn't Facebook chat integrate with email in the exact same way?

Correct me if I'm wrong, but can't I open Gmail, send someone a message (@letshum.com or @facebook.com), and they receive it as a Hum or Facebook chat message? Then, they can reply to the message in their chat client as if it were a text, and it goes to my Gmail? That seems quite similar, and in both cases I can communicate using email, while my friend uses chat. This seems to be the underlying reason why both services give every user an email address, so I fail to see how this sets Hum apart from other chat apps.

Facebook has announced their intention to retire @facebook.com addresses, forwarding mail sent to them to the user's primary email address and making all chats involving @facebook.com addresses read only.

If I may, linkedin does allow users to correspond with each other using both mail clients or directly through their platforms. The part that I am not too sure about is how does Hum solve user problems that whatsapp/wechat can't. The gap I find as a user is that unless there are ways for Hum to integrate with the fragmented contact databases we have across the various social networks (i.e. my gmail, 1k+ linkedin contacts, facebook friends, twitter correspondence etc) and make my life easier, I may not venture and try yet another chat platform.

You aren't wrong, but you only described half the feature.

Send an email to someone new from your facebook chat.

Regardless, this is clearly a different product, if you want to try really hard to think it's not, that is your prerogative.

Site got mentioned a few places and is currently down from traffic.

In the post I do mention that you can do the same thing with reddit or following a ton of music related twitter accounts, but the voting and input from different people. We're not doing anything new, but I do think the presentation and appeal is there for nbt.

If you are interested, bookmark the link, it should be up again shortly.

A nice touch might be if voting reordered the site's RSS feed as well as the webpage. If you have a way to generate a podcast from submitted music, that could be a great combination. I have a lot of trouble following HN through an rss reader because the filter is so much worse, but there's no reason the .xml file should be in any different order than the html file. And podcasts have even worse navigation options than other rss feeds.

This would probably not work with PuSH. But two separate feeds, one for PuSH and one that gives a voting-ordered snapshot when it's fetched, might let you target both the very-frequent and the casual users.

(haven't been able to check out the site yet, so this point might be extra ignorant)

The site does do this :)