Awesome Talks is an awesome list of tech talks to watch that is constantly updated by the community and is a great way to find an interesting talk to watch during downtime.
Crushing It! is the follow up to Gary Vaynerchuk's bestseller Crush It! If you're looking to increase your influence both online and in the real world this is the book for you. Gary provides practical advice and step-by-step guidance for every major social media platform out there and how to take your game to the next level.