The Browser! https://thebrowser.com. I frequently see its recommendations percolating through to the front page of HN. 5 hand-picked articles a day drawn from every corner of the internet, covering philosophy, literature, technology and other things, linked, pithily summarised and available as email newsletter, RSS feed, or full-text Instapaper/Pocket auto-push.

Paid service ($34/year), but a month's free trial is available: https://thebrowser.com/try-the-browser

Disclaimer: I am associated with The Browser, but my affection for it transcends my professional interest :)