Startup Playbook by Hatch Quarter - A guide to building your startup
The Influencer Marketing Stack - Free resources to launch a killer campaign
On Slack by Standuply - The most extensive book on using Slack to the utmost
Content Marketing Stack - A curated directory of content marketing resources
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Mention ✪ Influencers Dashboard - Identify the influencers talking about your company