The Observer Effect
Studies interesting people starting with Marc Andreessen
競合・代替製品
Currents by Parse.ly
Uncover what’s making 1 billion people pay attention
Statsify
Visualize interesting stats about web pages and websites
ProductionReadyApp
Hacker news for people who like to get things done.
Analytics from CloudApp
See who’s watching and engaging with your content
Dreamdata Audience Hub
Productivity Personal Growth