Reddit, for starters. There are a lot of great sub-Reddits you can subscribe to and you can remove a lot of the pointless default ones (/r/atheism, /r/politics, /r/aww, etc.) so you end up with a feed that really suits you.
http://inbound.org/ is basically HN for people also interested in online marketing, SEO, etc - lots of great practical stuff ends up on there that never makes HN.
http://inbound.org/ is basically HN for people also interested in online marketing, SEO, etc - lots of great practical stuff ends up on there that never makes HN.