30 Seconds of Knowledge - Become a better developer, in every new tab.
StartupTalks - A curated collection of startup related videos and podcasts
Random User-Agent - Automatically change the user agent after specified period of time to a randomly selected one, thus...
Vooza - Hilarious videos about the BS of startup life
know/how Product Managers - A weekly newsletter with 5 practical tweet-length PM tips
Talks by UI Patterns - A library of talks by UX experts