IPython interactive demo
借用 Reddit 上的讨论串来评价一下：
That means: NO Python install, NO Python module dependencies, NO 2v3 hastle, NO LOGIN, NO Windows vs UNIX. All you need is a link and your environment is ready to inspect the information that is being shared with you. Here we even see the executable notebook embedded on nature.com!
话说天天在用 IPython 但是几乎没用过 Notebooks…