Startup Playbook by Hatch Quarter - A guide to building your startup
MightyScout - Instant profile metrics on any Instagram influencer
On Slack by Standuply - The most extensive book on using Slack to the utmost
MAVIO - Get a human-centred website. Built for Digital Influencers
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Top Instagram Influencers Ranking - Curated directory of Instagram bloggers by country&category