- Copyblogger - Educational material to become a
blogging bad ass, also great blogging advice.
- HubSpot
Blog - Excellent advice, best practices, and lots of free
tools/templates for inbound marketing.
- Explore
B2B - Intelligent networking with a community of B2B bloggers
and blog posts.
- Inbound.org -
Like Hacker News for marketing content.
- QuickSprout - Blogging, content marketing, and growth
guides.
- Twitter - an
endless source of marketing content from around the web. Try
hashtags like #mktg, #digitalmarketng, and #B2B